Relationship Between Executive Function Subdomains and Postural Balance in Community-Dwelling Older Adults.

BACKGROUND: Executive function (EF) deficits are a significant risk factor for falls among older adults (OAs). However, relationship between EF subdomains (shifting, updating, and inhibition), postural balance (PB), and fall risk in healthy OAs, remains poorly understood. OBJECTIVE: This study aimed to investigate the relationship between EF subdomains (shifting, updating, and inhibition) and PB, and to assess their impact on risk of falls in community-dwelling OAs. METHODS: A cross-sectional study involving 50 OAs aged over 60 years (average age of 72 years) was conducted. Participants underwent assessments of EF subdomains and PB using validated tests. A correlation analysis was employed to examine the relationships between EF and PB. RESULTS: The study revealed significant correlations between subdomains and PB. Mental set shifting (r = -.539; p < .001) and inhibition (r = -.395; p = .050) exhibited inverse relationships with PB. Stepwise multiple linear regression showed that Trail Making Test Part B was associated with the PB (R2 = .42, p < .001). CONCLUSION: These findings highlight the importance of assessing EF subdomains, particularly shifting and inhibition, to identify risk of falls. Trail Making Test Part B largely explains the variability of the PB. Integrating PB assessments and EF training, such as the Mini-BESTest, into routine care can be vital for fall prevention strategies. Significance/Implications: This knowledge underscores the need for cognitive training interventions focusing on shifting and inhibition to enhance PB and potentially reduce falls. Additionally, incorporation of EF assessment tools as Trail Making Test Part B and the Mini-BESTest into routine clinical practice for community-dwelling OAs is recommended to address fall prevention strategies.

Balance measures of mini and brief balance evaluation system tests for Iranian population.

Introduction: Falling is a serious problem for all ages. There are several tests to assess balance. Mini-BESTest and brief-BESTest are balance tests for which there are no normative values for Iranian people. We aimed to provide the normative values of mini-BESTest and brief-BESTest among healthy Iranian adults. Methods: A cross-sectional study was designed. Three hundred healthy adults (150 males and 150 females) in six age groups (18-29, 30-39, 40-49, 50-59, 60-69, +70 years) completed the tests using Persian mini-BESTest and brief-BESTest. Normative values were calculated for age groups. Results: Normative values of mini-BESTest and brief- BESTest decreased significantly with age (from 27 to 21.9 for mini-BESTest and from 22.9 to 15.4 for brief BESTest). There were no significant differences between genders except for females in 30-39 and 40-49 years age groups which scored better on brief-BESTest and mini-BESTest, respectively. Males had significantly scored better in brief- BESTest in 60-69 and ≥ 70 age groups. Conclusions: The normative values of the mini-BESTest and brief-BESTest provided for healthy Iranian adults can help clinicians when assessing subjects with balance dysfunction.

Evaluación del riesgo de caídas en adultos mayores con Diabetes Mellitus tipo 2 / Evaluation of fall risk assessmentin in older adults with Type 2 Diabetes Mellitus / Avaliação do risco de quedas em idosos com Diabetes Mellitus tipo 2

Introducción: La diabetes mellitus 2 es una enfermedad frecuente en adultos mayores, con múltiples complicaciones que pueden llegar a afectar el equilibrio y la marcha e incrementar el riesgo de caída. Objetivo: Determinar el riesgo de caídas en dos grupos de adultos mayores, uno con padecimiento de DM2 y otro sin este padecimiento. Metodología: Estudio de enfoque cuantitativo, alcance descriptivo, diseño observacional, y de cohorte transversal; muestra poblacional de 120 adultos mayores en la ciudad de Guayaquil divididos en dos grupos: grupo A con 60 adultos mayores que no padecían DM2 y grupo B con 60 adultos mayores con DM2; que cumplen con los criterios de inclusión y a quienes se evalúan mediante las técnicas: observación, evaluación y entrevista; y los instrumentos: Escala de Berg, Mini-BESTest y formulario estándar. Se utilizó la prueba estadística Chi cuadrado para la comparación de los resultados obtenidos. Resultados: Los resultados indican que, en la determinación del riesgo de caídas, se encontraron diferencias estadísticamente significativas (p0.05). El estudio además encontró que los resultados obtenidos, en las dos pruebas de riesgo de caídas, difieren entre sí. Conclusiones: Los adultos mayores diabéticos presentan un mayor riesgo de caída a comparación de adultos mayores no diabéticos.

Introduction: Diabetes mellitus 2 is a common disease in older adults, with multiple complications that can affect balance and gait and increase the risk of falling. Objective: To determine the risk of falls in two groups of older adults, one with and the other without DM2. Methodology: Quantitative approach study, descriptive scope, observational design, and cross-sectional cohort; population sample of 120 older adults in the city of Guayaquil divided into two groups: group A with 60 older adults who did not suffer from DM2 and group B with 60 older adults with DM2; who meet the inclusion criteria and who are evaluated by means of the techniques: observation, evaluation and interview; and the instruments: Berg scale, Mini-BESTestest and standard form. The Chi-square statistical test was used to compare the results obtained. Results: The results indicate that, in the determination of the risk of falls, statistically significant differences (p0.05) were found. The study further found that the results obtained, in the two fall risk tests, differed from each other. Conclusions: Diabetic older adults present a higher risk of falling compared to non-diabetic older adults.

Introdução: O diabetes mellitus tipo 2 é uma doença comum em idosos, com múltiplas complicações que podem afetar o equilíbrio e a marcha e aumentar o risco de quedas. Objetivo: Determinar o risco de quedas em dois grupos de idosos, um com DM2 e outro sem essa condição. Metodologia: Estudo com abordagem quantitativa, escopo descritivo, desenho observacional e coorte transversal; amostra populacional de 120 idosos da cidade de Guayaquil dividida em dois grupos: grupo A com 60 idosos que não sofriam de DM2 e grupo B com 60 idosos com DM2; que atendam aos critérios de inclusão e que sejam avaliados pelas técnicas: observação, avaliação e entrevista; e os instrumentos: Escala de Berg, Mini-BESTest e formulário padrão. O teste estatístico Qui-quadrado foi utilizado para comparação dos resultados obtidos. Resultados: Os resultados indicam que, na determinação do risco de quedas, foram encontradas diferenças estatisticamente significativas (p0,05). O estudo também constatou que os resultados obtidos nos dois testes de risco de queda diferem entre si. Conclusões: Idosos diabéticos apresentam maior risco de queda em comparação aos idosos não diabéticos.

Correlations between Trunk Control and Balance in Children with Bilateral Spastic Cerebral Palsy.

Impairments of postural responses are a salient feature of children with cerebral palsy (CP). While the systems approach describes balance in seven components, the relationship between trunk control and balance in children with CP has not been previously examined with all seven of these components. In this study, we aimed to identify correlations between trunk control and all seven systems approach balance components in children with bilateral spastic CP. Our participants were 30 children (M age = 11.83, SD = 2.32 years) with CP having a Gross Motor Function Classification System level ranging from I to III. We assessed trunk control with the Trunk Control Measurement Scale, including static and dynamic balance (selective voluntary control and reaching). Balance in standing was assessed using Kids-Mini-BESTest involving four domains: anticipatory, reactive, sensory orientation and stability in gait. We used Spearman's rank correlations to correlate trunk control and balance, and we obtained a moderate correlation between the trunk control measurement scale and the Kids-Mini-BESTest in children with both bilateral spastic CP (rs = .618, p < .001) and spastic diplegic CP (rs = .52, p = .02). Analysis of the correlations between separate domains of the Kids-Mini-BESTest and the trunk control measurement scale subscales revealed moderate correlations between the static sitting balance subscale and all four domains of the Kids-Mini-BESTest. The dynamic selective motor control subscale of the trunk control measurement scale moderately correlated with the anticipatory domain of the Kids-Mini-BESTest. The dynamic reaching subscale also correlated moderately with anticipatory and stability in gait domains. This correlation was statistically significant in the 13 to 17-year-old age group and was strong among females, whereas the correlation was moderate in males. Trunk control was moderately associated with balance considering all the systems theory components of balance in children with bilateral spastic cerebral palsy.

Reliability, Validity, and Identification Ability of a Commercialized Waist-Attached Inertial Measurement Unit (IMU) Sensor-Based System in Fall Risk Assessment of Older People.

Falls are a prevalent cause of injury among older people. While some wearable inertial measurement unit (IMU) sensor-based systems have been widely investigated for fall risk assessment, their reliability, validity, and identification ability in community-dwelling older people remain unclear. Therefore, this study evaluated the performance of a commercially available IMU sensor-based fall risk assessment system among 20 community-dwelling older recurrent fallers (with a history of ≥2 falls in the past 12 months) and 20 community-dwelling older non-fallers (no history of falls in the past 12 months), together with applying the clinical scale of the Mini-Balance Evaluation Systems Test (Mini-BESTest). The results show that the IMU sensor-based system exhibited a significant moderate to excellent test-retest reliability (ICC = 0.838, p < 0.001), an acceptable level of internal consistency reliability (Spearman's rho = 0.471, p = 0.002), an acceptable convergent validity (Cronbach's α = 0.712), and an area under the curve (AUC) value of 0.590 for the IMU sensor-based receiver-operating characteristic (ROC) curve. The findings suggest that while the evaluated IMU sensor-based system exhibited good reliability and acceptable validity, it might not be able to fully identify the recurrent fallers and non-fallers in a community-dwelling older population. Further system optimization is still needed.

Explanatory Capacity of Postural Control and Physical Fitness in Cognitive Impairment and Support Needs among Individuals with Intellectual Disabilities-A Cross-Sectional Pilot Study.

Postural control is a skill associated with most motor activities and is essential for the performance of activities of daily living. People with intellectual disabilities (ID) present postural control deficits that can be attributed to several causes. The aim of this study was to determine whether postural control and physical fitness could explain the cognitive impairment and support needs in this population. A cross-sectional pilot study was conducted with 18 people with ID. Data collection was based on assessments for postural control (Mini BESTest and Berg Balance Scale) and physical fitness (Senior Fitness Test). The data were analyzed using linear regression models. Anticipatory postural adjustments were associated with support needs, explaining up to 45% of these. Consecutive postural adjustments and upper limb strength were less significantly associated with support needs. However, none of the variables used explained cognitive impairment in ID. Knowledge of the relationships and behavior of the different measurement tools is essential for the development of appropriate interventions in this population.

Validity, reliability and minimal detectable change of Mini-BESTest Turkish version in neurological disorders.

AIMS: It is aimed to investigate the psychometric properties of Mini-BESTestTR in Turkish patients with neurological disorders. METHODS: A total of 61 people between the ages of 42 and 80, who were patients with Parkinson's disease, stroke or multiple sclerosis for more than 1 year, were included in the study. For inter-rater reliability, two independent researchers applied the scale two times within 5 days for test-retest reliability. The relationship of mini-BESTestTR with Berg Balance Scale (BBS) to assess concurrent validity, and Timed Get up and Go (TUG), Functional Reach Test (FRT) and Functional Ambulation Classification (FAC) for convergent validity was investigated. RESULTS: The scores of the two evaluators were within the range of agreement (mean = - 0.278 ± 1.484, p > 0.05), and the Mini-BESTestTR had excellent inter-rater reliability [ICC (95% CI) = 0.989 (0.981-0.993)] and test-retest reliability [ICC (95% CI) = 0.998 (0.996-0.999)]. Mini-BESTestTR had a strong correlation with BBS (r = 0.853, p < 0.001) and TUG (r = - 0.856, p < 0.001), had a moderate correlation with FAC (r = 0.696, p < 0.001) and FRT (r = 0.650, p < 0.001). CONCLUSIONS: Mini-BESTestTR showed significant correlations with other balance assessment measures, and concurrent and convergent validity of Mini-BESTestTR was demonstrated when administered to a sample of patients with chronic stroke, Parkinson's disease and multiple sclerosis.

Association of vitamins B12 and D3 with Balance and Falls in a sample of Greek older people.

OBJECTIVES: Balance disorders and falls are common in the elderly and have a multifactorial etiology. The purpose of the present cross-sectional study is to evaluate a possible association between vitamins D3 and B12 and impaired balance and falls. METHODS: Ninety patients, females and males, were evaluated, from December 2019 to December 2020 during their first ambulatory visit at the Prevention of Falls Clinic of the General University Hospital of Patras. Vitamins B12 and D3 levels were measured. The number of falls during the last 12 months was recorded and patients were assessed using Mini-Balance Evaluation Systems Test (Mini-BESTest), Fried Phenotype, Walking Speed, Hand Grip Strength, Short Physical Performance Battery. RESULTS: A multiple linear regression analysis showed that Mini-BESTest are statistically significantly predicted, F(10,79)=18.734, p<0.001, adj. R2=0.70 from Vit-B12 and FRIED Phenotype (pre-frail vs non-frail). Similarly, in the multiple binary logistic regression analysis, falls were statistically significantly predicted from FRIED Phenotype (pre-frail vs non-frail) χ2(5)=63.918, p<0.001, Nagelkerke R Squared=0.68. CONCLUSIONS: Higher levels of vitamins B12 but not of D3 are associated with better balance but not with less falls in a sample of community-dwelling older people.

Construct validity of the Mini-BESTest in individuals with chronic pain in specialized pain care.

BACKGROUND: Balance assessment scales are important clinical tests to identify balance impairments. Chronic pain (> 3 months) is associated with impaired dynamic balance; however, very few balance assessment scales are psychometrically evaluated for the population. The purpose of this study was to evaluate the construct validity and internal consistency of the Mini-BESTest for individuals with chronic pain in specialized pain care. METHODS: In this cross-sectional study, 180 individuals with chronic pain (> 3 months) were assessed with the Mini-BESTest and included in the analyses. For construct validity, five alternative factor structures were evaluated using a confirmatory factor analysis. In addition, we tested the a priori hypotheses about convergent validity with the 10-meter walk test, and divergent validity with the Brief Pain Inventory (BPI): pain intensity, the Tampa Scale of Kinesiophobia-11 (TSK-11), and the Pain Catastrophizing Scale (PCS-SW). Internal consistency was evaluated for the model with the best fit. RESULTS: A one-factor model with added covariance via the modification indices showed adequate fit indices. In line with our hypotheses, Mini-BESTest showed convergent validity (rs = > 0.70) with the 10-meter walk test, and divergent validity (rs = < 0.50) with BPI pain intensity, TSK-11, and PCS-SW. Internal consistency for the one-factor model was good (α = 0.92). CONCLUSIONS: Our study supported the construct validity and internal consistency of the Mini-BESTest for measuring balance in individuals with chronic pain, who were referred to specialized pain care. The one-factor model showed an adequate fit. In comparison, models with subscales did not reach convergence, or showed high correlations between subscales, implying that Mini-BESTest is measuring one construct in this sample. We, therefore, propose using the total score, instead of subscale scores, for individuals with chronic pain. However, further studies are necessary to establish the reliability of the Mini-BESTest in the population.

Cross-Cultural Adaptation and Validation of the Arabic Version of the Mini-BESTest among Community-Dwelling Older Adults in Saudi Arabia.

Backgrounds: The Mini-BESTest is a clinical assessment of balance impairment; however, the translation and psychometric properties in the Arabic-speaking population have not yet been investigated. The purpose of this study was to translate into Arabic and evaluate the psychometric properties of the Mini-BESTest in Saudi community-dwelling older adults. Methods: This is a cross-sectional transcultural adaptation and validation study. A total of 144 community-dwelling older adults were enrolled (mean age = 66.2 ± 6.2 years). The translation and cross-cultural adaptation of the Mini-BESTest from English to Arabic was performed using standardized guidelines. Test−retest reliability was examined using the intraclass correlation coefficient (ICC) with one week between test and retest. The internal consistency was assessed using Cronbach's alpha. Construct validity of the Mini-BESTest was assessed using balance such as Berg Balance Scale (BBS) and Falls Efficacy Scale International (FES-I). Results: The Arabic version of the Mini-BESTest showed good internal consistency (Cronbach's alpha = 0.93). The scale shows excellent test−retest reliability (ICC = 0.99, 95% CI, 0.98−0.99) and excellent inter-rater reliability (ICC = 0.93, 95% CI, 0.70−0.97), which is indicative of the measure's stability and repeatability. Mini-BESTest total scores showed an excellent inter-rater agreement. There was a significant correlation between total score of the Mini-BESTest and BBS (r = 0.72; p < 0.001). Mini-BESTest had a moderate association with FES-I. Conclusion: The Arabic version of the Mini-BESTest is a reliable and valid test for assessing balance in older adults. More research is needed to confirm the test's reliability and validity in a specific population, such as those with neurological problems.

Gait and dynamic balance in adults with spina bifida.

BACKGROUND: Spina bifida (SB) is a complex congenital malformation, often causing impaired gait performance depending on the level and extent of malformation. Research regarding gait and balance performance in adults with SB, has not been sufficiently described yet. RESEARCH QUESTION: What are the characteristics of spatiotemporal gait parameters and balance performance in adults with SB? Further, do persons with muscle function (MF) level 3 differ regarding gait and balance performance from those with MF level 1-2? METHODS: Cross-sectional observational study at an outpatient clinic. 41 adults with SB (18-65 years), who walked regularly. Spatiotemporal parameters of gait was assessed with the APDM system and balance performance with the Mini Balance Evaluation Systems Test (Mini-BESTest). Muscle strength in the legs was assessed with 0-5 manual muscle test, and participants were classified according to level of MF into groups MF1, MF2, and MF3. Two-sided t-test was used for parametric independent variables, and Cohen's d was used for effect sizes. The Mann-Whitney U test was used for non-parametric independent data and effect size was calculated by the z value (r = z/√n). RESULTS: Mean gait speed was 0.96 (SD 0.20) m/s and mean stride length 1.08 m (SD 0.17), individuals with MF3 showed significantly slower gaitspeed and shorter stride length (p < 0.05). Lumbar rotation was 21° (SD 11), and thoracic lateral sway 15° (IQR 15) with significantley difference (p < 0.001 and p < 0.05) for individuals in MF3. Mini-BESTest showed a mean score of 11.3 (SD 6.9), and individuals with MF3 showed significantly lower scores (p ≤ 0.001). SIGNIFICANCE: Gait and balance performance was reduced compared to normative data in almost all parameters, especially in persons with less muscle function. Increased knowledge from advanced gait analysis may help healthcare professionals to design rehabilitation programmes, in order to achieve and maintain a sustainable gait and balance performance.

Reliability and Validity of Mini-Balance Evaluation System Test in Type 2 Diabetic Patients with Peripheral Neuropathy.

Type 2 diabetic peripheral neuropathy is known to cause balance limitations in static, dynamic, and functional activity. The Mini-BESTest, a shortened version of BESTest, was evolved to identify balance disorders within a short duration. No prior studies have yet been conducted to assess the usefulness of Mini-BESTest in the diagnosis of type 2 diabetic peripheral neuropathy. The current study aimed to examine the reliability and discriminant validity by comparing the Mini-BESTest scores between type 2 diabetic patients with peripheral neuropathy, divided into two 2 groups based on reporting scores of <4 and ≥4 in the MNSI questionnaire, respectively. Therefore, a cross-sectional study design was conducted including 44 type 2 diabetic patients (4 males and 40 females; aged 56.61 ± 7.7 years old). Diabetic peripheral neuropathy was diagnosed by physical assessment using the Michigan Neuropathy Screening Instrument (MNSI). Inter-rater (two physiotherapists) and Intra-rater (7−10 days) reliability of the Mini-BESTest were explored with intraclass correlation coefficients (ICC2,1) and (ICC3,1). The Mini-BESTest presented an excellent inter-rater reliability (ICC2,1= 0.95, 95% CI = 0.91−0.97, SEM = 0.61) and an excellent intra-rater reliability (ICC3,1 = 0.93, 95% CI = 0.87−0.96, SEM = 0.66), with confirmation by a good agreement presented by the Bland−Altman plots. The internal consistency measured with the overall Cronbach's alpha showed an acceptable agreement (0.73). The MDC was 2.16. In addition, the Mini-BESTest scores in the type 2 diabetic neuropathy patients reporting MNSI questionnaire scores <4 was found to be significantly higher when compared with those reporting scores ≥4. The Mini-BESTest can be used as a highly reliable and valid clinical application in the population with type 2 diabetic peripheral neuropathy.

Responsiveness of the Mini-Balance Evaluation System Test in Type 2 Diabetic Patients with Peripheral Neuropathy.

Background: Mini-BESTest is an instrument for assessing the balance impairment; however, the use of the Mini-BESTest in type 2 diabetic patients with peripheral neuropathy is not well documented in the literature. The aim of this study was to examine the responsiveness and the minimal important change (MIC) of the Mini-BESTest after four weeks of the balance exercises. Methods: A prospective single group pretest-posttest design was applied, and forty-eight type 2 diabetic patients with peripheral neuropathy were participated (mean age of 59.04 ± 7.533 years; 3 males and 45 females). All participants were given an intervention program including foot care and balance exercises (50-minute sessions, three times a week for four weeks). The responsiveness of the Mini-BESTest was determined using two approaches: 1) the distribution-based method evaluating the change scores (pre- and post-intervention), the effect size (ES), the standard response mean (SRM), the standard error of measurement (SEM) and the minimum detectable change (MDC95) and 2) the anchor-based method evaluating the MIC using the Global Rating of Change scale (GRC) as an external criterion. Results: After the balance exercises treatment, the Mini-BESTest scores significantly improved (p < 0.001) with an ES of 3.9 and SRM of 4.32. SEM was 0.73 and MDC95 was 2.03 points. The area under the receiver operating characteristic (ROC) curve corresponded to 81%. The cutoff point of the Mini-BESTest was ≥5 points corresponding to the GRC ≤3 versus >3 for the discrimination of the Mini-BESTest between improvement and no improvement after exercises. Conclusion: The Mini-BESTest can be demonstrated as high responsiveness according to the determination of the distribution-based and the anchor-based methods. The MIC of the Mini-BESTest was taken as ≥5 points and could be used as an outcome measure for the discriminated evaluation of type 2 diabetic patients with peripheral neuropathy.

Reliability and validity of Persian versions of Mini-BESTest and Brief-BESTest in persons with Parkinson's disease.

BACKGROUND: Mini-BESTest and Brief-BESTest are used to assess balance in patients with a wide range of balance disorders. While there are Persian versions of Mini-BESTest and Brief-BESTest, the psychometric properties have not been thoroughly evaluated. This study aimed to assess the reliability and validity of the Persian versions of Mini-BESTest and Brief-BESTest in persons with Parkinson's disease (PD). METHODS: Three medical students rated videotaped performances of 49 individuals with PD on the Persian Mini-BESTest, Persian Brief-BESTest, and Berg balance scale (BBS). Healthy adults were matched with persons having PD in terms of age and gender. RESULTS: There were no floor and ceiling effects. Inter- and intra-rater reliability was excellent (ICC = 0.965-0.973). The minimal detectable changes were 2.37 and 3.47 for Persian versions of Mini-BESTest and Brief-BESTest, respectively. The Persian versions of Mini-BESTest and Brief-BESTest had very good correlations with BBS (r > 0.7) confirming construct validity. There was a very good correlation between the Mini-BESTest and the Brief-BESTest total scores (r = 0.78). There were significant differences between the persons with PD and healthy adults on both tests supporting discriminant validity. Significant differences in balance performances across Hoehn and Yahr stages were found which supported known-groups validity. CONCLUSION: The Persian versions of Mini-BESTest and Brief-BESTest are reliable and valid instruments for balance evaluation in persons with PD. Further study to determine the reliability and validity of both tests when examining patients in real-time in the clinic is warranted.

A prospective study to establish the minimal clinically important difference of the Mini-BESTest in individuals with stroke.

OBJECTIVE: To determine the minimal clinically important difference of the Mini-BESTest in individuals' post-stroke. DESIGN: Prospective cohort study. SETTING: Outpatient stroke rehabilitation. SUBJECTS: Fifty outpatients with stroke with a mean (SD) age of 60.8 (9.4). INTERVENTION: Outpatients with stroke were assessed with the Mini-BESTest before and after a course of conventional rehabilitation. Rehabilitation sessions occurred one to two times/week for one hour and treatment duration was 1.3-42 weeks (mean (SD) = 17.4(10.6)). MAIN MEASURES: We used a combination of anchor- and distribution-based approaches including a global rating of change in balance scale completed by physiotherapists and patients, the minimal detectable change with 95% confidence, and the optimal cut-point from receiver operating characteristic curves. RESULTS: The average (SD) Mini-BESTest score at admission was 18.2 (6.5) and 22.4 (5.2) at discharge (effect size: 0.7) (P = 0.001). Mean change scores on the Mini-BESTest for patient and physiotherapist ratings of small change were 4.2 and 4.3 points, and 4.7 and 5.3 points for substantial change, respectively. The minimal detectable change with 95% confidence for the Mini-BESTest was 3.2 points. The minimally clinical importance difference was determined to be 4 points for detecting small changes and 5 points for detecting substantial changes. CONCLUSIONS: A change of 4-5 points on the Mini-BEST is required to be perceptible to clinicians and patients, and beyond measurement error. These values can be used to interpret changes in balance in stroke rehabilitation research and practice.

Reliability and minimal detectable change of the mini-BESTest in adults with spinal cord injury in a rehabilitation setting.

Background: The mini-Balance Evaluation Systems Test (mini-BESTest) is a valid tool for assessing standing balance in people with spinal cord injury (SCI). Its reliability has not yet been investigated with this population. Objective: To assess the test-retest and inter-rater reliability of the mini-BESTest in adults with SCI in a rehabilitation setting. Methods: Twenty-three participants admitted in a rehabilitation center following an SCI (mean age = 52.2 years, SD = 14.5; 13/23 tetraplegia; 14/23 traumatic injury) and able to stand 30 seconds without help were recruited. They were evaluated twice with the mini-BESTest to establish the test-retest reliability (interval of 1 to 2 days). One of the two sessions was video-recorded to establish the inter-rater reliability (3 physiotherapists). Intraclass correlation coefficients (ICC2,1), weighted kappa (Kw) and Kendall's W were used to determine reliability of total score and individual items. Minimal detectable changes (MDC) were computed. Results. The mini-BESTest total scores showed excellent test-retest (ICC = 0.94) and inter-rater (ICC = 0.96) reliability. Reliability of 50% of the individual items was acceptable to excellent (Κw and W = 0.35-1.00). The MDC of the mini-BESTest total score was 4 points. Conclusion: The mini-BESTest is a reliable tool to assess standing balance in adults with an SCI. A minimal change of 4 points on the total scale is needed to be confident that the change is not a measurement error between two sessions or two raters.

Cross-cultural adaption and validation of the German version of the Mini-BESTest in individuals after stroke: an observational study.

BACKGROUND: Postural control is a very important function in everyday life. However, assessing postural control with commonly used measurement instruments (MIs) is limited due to deficits in their psychometric properties. The Mini-Balance Evaluation Systems Test (Mini-BESTest) is a comprehensive and multidimensional MI for assessing postural control in persons with limited balance function, such as individuals after stroke. Despite the increasing use of the Mini-BESTest worldwide, no German version is available. RESEARCH QUESTION: Is the German version of the Mini-BESTest (GVMBT) comprehensible and valid for measuring postural control in individuals after stroke? METHODS: The Mini-BESTest was translated and cross-culturally adapted, following established guidelines. It was pilot-tested with ten participants. This observational measurement and validation study was conducted at one point and included 50 participants with subacute and chronic stroke (mean age: 64.58 ± 13.34 years/ 34 men/ 16 women). Convergent validity was investigated using 1) the Berg Balance Scale (BBS) and 2) the Timed "Up & Go" (TUG). The MIs were evaluated for normal distribution with the calculation of skewness, kurtosis and Q-Q-Plots. Spearman correlation coefficients and Bland Altman analysis were used to examine the relationship between the MIs. The internal consistency was assessed using Cronbach's alpha. RESULTS: Comprehension of the GVMBT was confirmed. The GVMBT correlated significantly with the BBS (rs = 0.93) and the TUG (rs = - 0.85). Bland Altman analysis revealed low absolute differences. The GVMBT demonstrated no significant floor or ceiling effects and showed excellent internal consistency (Cronbach's α = 0.90). SIGNIFICANCE: The GVMBT has excellent validity and internal consistency. Due to this and its specific subcategories, the GVMBT is recommended for the use in research and clinical practice. Further psychometric properties should be evaluated.

Reliability and Validity of the Persian Version of the Mini-Balance Evaluation Systems Test in Patients with Stroke.

BACKGROUND: Stroke can cause balance disorders, which often lead to falls and fall-related injuries. The Mini-Balance Evaluation Systems Test (Mini-BESTest) is a balance test that has been recently translated into Persian. The reliability and validity of the Persian version of Mini-BESTest have not been assessed in patients with stroke. OBJECTIVES: To assess the reliability and validity of the Persian version of the Mini-BESTest in patients with stroke. METHODS: A cross-sectional study was designed. Thirty patients with stroke participated in this study. Patients were tested using the Mini-BESTest according to the Persian instructions, and two raters independently rated each patient's performance. Each patient was matched with a healthy adult in the terms of age and gender. Healthy subjects were also tested for discriminative validity. RESULTS: There was excellent correlation between two raters on the Persian version of the Mini-BESTest total scores (rPearson = 0.98, P < 0.001) and its sections (rPearson > 0.9). There was a significant difference between stroke patients and healthy subjects confirming the discriminative validity of the Persian version of the Mini-BESTest (19.4 ± 5.4 vs. 24.8 ± 2.3, P < 0.001). LIMITATIONS: We only assessed stroke patients, and the results may not be generalized to other patients with balance deficits. CONCLUSIONS: The Persian version of the Mini-BESTest is a reliable and valid tool for balance evaluation of stroke patients.

Comparing the measurement properties and relationship to gait speed recovery of the Mini-Balance Evaluation Systems Test and the Berg Balance Scale in ambulatory individuals with subacute stroke.

OBJECTIVES: Although the Mini-Balance Evaluation Systems Test (Mini-BESTest) is known to be a reliable and valid measure of balance in individuals with stroke, the utility of this tool in relation to subacute stroke walking speed and the recovery of gait ability has not been explored. Here, we compared the measurement properties and their relationship to gait speed on the Mini-BESTest and the Berg Balance Scale (BBS) in middle and older ambulatory individuals with subacute stroke, and we investigated which balance assessment tool is more likely to capture the status of the recovery of gait speed. METHODS: We retrospectively analyzed the cases of 88 individuals 50 years or older with stroke who had been evaluated using the Mini-BESTest by using the BBS and by assessing their comfortable walking speed (CWS). The proportion of subjects who showed improvement was calculated for 34 stroke survivors from data obtained at admission to and discharge from the hospital. RESULTS: Compared with the BBS, the Mini-BESTest showed a better distribution of total scores without a ceiling effect. The two scales showed correlations with gait speed (Mini-BESTest: r=0.702; BBS: r=0.592) and discrimination between fast and slow walkers. The responsiveness of the Mini-BESTest was excellent, with an area under the curve of 0.894, thus discriminating between gait speed improvement versus non-improvement. CONCLUSIONS: These results indicate that the Mini-BESTest is more useful than the BBS in terms of its measurement properties and ability to measure gait recovery in middle and older ambulatory individuals with subacute stroke.

Responsiveness and minimal clinically important difference of the Mini-BESTest in patients with Parkinson's disease.

BACKGROUND: Balance problems in Parkinson's Disease (PD) require appropriate evaluation. While the Mini-BESTest is commonly used to assess dynamic balance, some of its psychometric properties have not yet been addressed. RESEARCH QUESTION: What is the responsiveness and the Minimal Clinically Important Difference (MCID) of the Mini-BESTest in patients with PD? METHODS: One-hundred forty-eight patients with PD underwent a treatment specific for balance skills (1-h session, three times/week for four weeks). All patients were initially evaluated with the Mini-BESTest and Activities-Specific Balance Confidence scale 5-levels (ABC-5L). Post-treatment, patients were assessed with the Mini-BESTest, ABC-5L and Global Rating of Change (GRC, both patient- and physiotherapist-rated). Responsiveness to treatment and MCID were calculated with distribution and anchor-based methods: effect size, area under the curve (AUC) of receiver operating characteristics (ROC), and correlations between evaluations (change in score of Mini-BESTest, ABC-5L, GRC). Eleven a priori hypotheses were formulated for testing responsiveness. RESULTS: The effect size of treatment measured with the Mini-BESTest was 0.44, revealing moderate responsiveness. AUCs were 0.75, 0.82 and 0.59 for the patient-rated GRC, physiotherapist-rated GRC and ABC-5L, respectively. There was a moderate correlation between changes in the Mini-BESTest and patient-rated (rs = 0.42) or physiotherapist-rated (rs = 0.62) GRC scores. Conversely, a low correlation (rs = 0.17) was found between changes in the Mini-BESTest and ABC-5L. Consequently, 72.7% of hypotheses were met. The Mini-BESTest MCID was between 3.4 and 4.0 when calculated with distribution and anchor-based methods, respectively. SIGNIFICANCE: The Mini-BESTest showed moderate responsiveness for detecting treatment-related improvement in dynamic balance. A 4.0-point MCID value is useful to identify clinical effects of balance rehabilitation in a single patient with PD. Values ranging from 3.4 and 4.0 are recommended for interpretation of results at a group level.