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1.
Spinal Cord ; 50(1): 42-50, 2012 Jan.
Article in English | MEDLINE | ID: mdl-21808258

ABSTRACT

BACKGROUND: Disability scales do not enable the transmission of concise, meaningful and daily function description for clinical purposes. STUDY DESIGN: Cross-sectional statistical analysis of 328 patients' Spinal Cord Independence Measure (SCIM) III item scores (SIS). OBJECTIVE: To develop a concise and clinically interpretable data-based characterization of daily task accomplishment for patients with spinal cord lesions (SCLs). SETTING: Multi-center study at 13 spinal units in 6 countries. METHODS: Patients were grouped into clusters characterized by smaller differences between the patients' SIS within the clusters than between their centers, using the k-medoides algorithm. The number of clusters (k) was chosen according to the percent of SIS variation they explained and the clinical distinction between them. RESULTS: Analysis showed that k=8 SIS clusters offer a good description of the patient population. The eight functional clusters were designated as A-H, each cluster (grade) representing a combination of task accomplishments. Higher grades were usually (but not always) associated with patients implementing more difficult tasks. Throughout rehabilitation, the patients' functional grade improved and the distribution of patients with similar functional grades within the total SCIM III score deciles remained stable. CONCLUSIONS: A new classification based on SIS clusters enables a concise description of overall functioning and task accomplishment distribution in patients with SCL. A software tool is used to identify the patients' functional grade. Findings support the stability and utility of the grades for characterizing the patients' functional status.


Subject(s)
Activities of Daily Living/classification , Disability Evaluation , Spinal Cord Injuries/rehabilitation , Adult , Aged , Algorithms , Cross-Sectional Studies , Fecal Incontinence/etiology , Fecal Incontinence/rehabilitation , Female , Humans , Male , Middle Aged , Quadriplegia/etiology , Quadriplegia/rehabilitation , Reproducibility of Results , Retrospective Studies , Spinal Cord Injuries/complications
2.
Spinal Cord ; 49(8): 893-6, 2011 Aug.
Article in English | MEDLINE | ID: mdl-21483443

ABSTRACT

STUDY DESIGN: Multicenter international cohort study. OBJECTIVE: The objective of this study was to establish target values for Spinal Cord Independence Measure (SCIM) III scoring in rehabilitation for clinically complete spinal cord lesion (SCL) neurological levels. SETTING: In total, 13 spinal cord units in six countries from North America, Europe and the Middle East were taken. METHODS: Total SCIM III scores and gain at discharge from rehabilitation were calculated for SCL levels in 128 patients with American Spinal Injury Association Impairment Scale (AIS) grade A on admission to rehabilitation. RESULTS: Median, quartiles, mean and s.d., values of discharge SCIM III scores and SCIM III gain for the various SCL levels are presented. Total SCIM III scores and gain were significantly correlated with the SCL level (r=0.730, r=0.579, P<0.001). CONCLUSIONS: Calculated discharge SCIM III scores can be used as target values for functional achievements at various neurological levels in patients after AIS A SCL. They are generally, but not always, inversely correlated with SCL level.


Subject(s)
Disability Evaluation , Outcome Assessment, Health Care/methods , Spinal Cord Injuries/complications , Spinal Cord Injuries/diagnosis , Adult , Europe , Humans , International Cooperation , Middle Aged , Middle East , Neurologic Examination , North America , Recovery of Function/physiology , Reproducibility of Results , Spinal Cord Injuries/rehabilitation , Young Adult
3.
Spinal Cord ; 49(2): 292-6, 2011 Feb.
Article in English | MEDLINE | ID: mdl-20820178

ABSTRACT

STUDY DESIGN: A multi-center international cohort study. OBJECTIVE: To evaluate the reliability and validity of the third version of the Spinal Cord Independence Measure (SCIM III), separately for patients with traumatic spinal cord lesions (SCLs). SETTING: A total of 13 spinal cord units in six countries from North America, Europe and the Middle-East. METHODS: SCIM III and Functional Independence Measure (FIM) were assessed for 261 patients with traumatic SCLs, on admission to rehabilitation and before discharge, by two raters. Conventional statistical measures were used to evaluate the SCIM III reliability and validity. RESULTS: In almost all SCIM III tasks, the total agreement between the paired raters was >80%. The κ coefficients were all >0.6 and statistically significant. Pearson's coefficients of the correlations between the paired raters were >0.9, the mean differences between raters were nonsignificant and the intraclass correlation coefficients (ICCs) were ≥ 0.95. Cronbach's α values for the entire SCIM III scale were 0.833-0.835. FIM and SCIM III total scores were correlated (r=0.84, P<0.001). SCIM III was more responsive to changes than FIM. In all subscales, SCIM III identified more changes in function than FIM, and in 3 of the 4 subscales, differences in responsiveness were statistically significant (P<0.02). CONCLUSION: The results confirm the reliability and validity of SCIM III for patients with traumatic SCLs in a number of countries.


Subject(s)
Disability Evaluation , Outcome Assessment, Health Care/methods , Spinal Cord Injuries/diagnosis , Spinal Cord Injuries/rehabilitation , Surveys and Questionnaires/standards , Activities of Daily Living/classification , Adult , Cohort Studies , Female , Humans , Independent Living/standards , Male , Middle Aged , Young Adult
4.
Disabil Rehabil ; 29(24): 1926-33, 2007 Dec 30.
Article in English | MEDLINE | ID: mdl-17852230

ABSTRACT

PURPOSE: To examine the third version of the Spinal Cord Independence Measure (SCIM III) for reliability and validity in a multi-center cohort study. METHOD: Four hundred and twenty-five patients with spinal cord lesions from 13 spinal cord units in six countries from three continents were assessed with SCIM III and the Functional Independence measure (FIM) on admission to rehabilitation and before discharge. RESULTS: Total agreement between raters was above 80% in most SCIM III tasks, and all kappa coefficients were statistically significant (P<0.001). The coefficients of Pearson correlation between the paired raters were above 0.9, and intraclass correlation coefficients were above 0.94. Cronbach's alpha was above 0.7. The coefficient of Pearson correlation between FIM and SCIM III was 0.790 (P<0.01). SCIM III was more responsive to changes than FIM in the subscales of Respiration and sphincter management and Mobility indoors and outdoors. CONCLUSIONS: The results support the reliability and validity of SCIM III in a multi-cultural setup. Despite several limitations of the study, the results indicate that SCIM III is an efficient measure for functional assessment of SCL patients and can be safely used for clinical and research trials, including international multi-center studies.


Subject(s)
Disability Evaluation , Spinal Cord Diseases/rehabilitation , Activities of Daily Living , Cohort Studies , Defecation , Female , Humans , Male , Middle Aged , Mobility Limitation , Paraplegia/rehabilitation , Quadriplegia/rehabilitation , Reproducibility of Results , Respiration , Self Care , Urination
5.
Spinal Cord ; 45(4): 275-91, 2007 Apr.
Article in English | MEDLINE | ID: mdl-16909143

ABSTRACT

BACKGROUND: A third version of the Spinal Cord Independence Measure (SCIM III), made up of three subscales, was formulated following comments by experts from several countries and Rasch analysis performed on the previous version. OBJECTIVE: To examine the validity, reliability, and usefulness of SCIM III using Rasch analysis. DESIGN: Multicenter cohort study. SETTING: Thirteen spinal cord units in six countries from North America, Europe, and the Middle-East. SUBJECTS: 425 patients with spinal cord lesions (SCL). INTERVENTIONS: SCIM III assessments by professional staff members. Rasch analysis of admission scores. MAIN OUTCOME MEASURES: SCIM III subscale match between the distribution of item difficulty grades and the patient ability measurements; reliability of patient ability measures; fit of data to Rasch model requirements; unidimensionality of each subscale; hierarchical ordering of categories within items; differential item functioning across classes of patients and across countries. RESULTS: Results supported the compatibility of the SCIM subscales with the stringent Rasch requirements. Average infit mean-square indices were 0.79-1.06; statistically distinct strata of abilities were 3 to 4; most thresholds between adjacent categories were properly ordered; item hierarchy was stable across most of the clinical subgroups and across countries. In a few items, however, misfit or category threshold disordering were found. CONCLUSIONS: The scores of each SCIM III subscale appear as a reliable and useful quantitative representation of a specific construct of independence after SCL. This justifies the use of SCIM in clinical research, including cross-cultural trials. The results also suggest that there is merit in further refining the scale.


Subject(s)
Disability Evaluation , Psychometrics/methods , Spinal Cord Injuries/physiopathology , Activities of Daily Living , Adult , Cohort Studies , Female , Health Status Indicators , Humans , Male , Middle Aged , Models, Statistical , Reproducibility of Results , Software , Surveys and Questionnaires
6.
Anaesthesia ; 60(10): 1002-8, 2005 Oct.
Article in English | MEDLINE | ID: mdl-16179046

ABSTRACT

Brain stem death may be a difficult concept for relatives to understand. Our ITU practice follows published recommendations that the use of explanatory leaflets showing CT scans and observing brain stem death testing in some cases may help relatives to understand that death has occurred. Using this strategy, we interviewed 27 relatives 12 months after bereavement following certification by brain stem testing, investigating their understanding of brain stem death, subsequent attitudes to organ donation, grief reactions and attitudes of those who had observed the tests. Most relatives understood that the brain stem death tests indicated that survival was not possible, although three relatives had not fully understood this and valued the opportunity to discuss it again. Only five relatives observed the tests, all were pleased that they had done so as this had confirmed their understanding that death had occurred; however, these relatives had more evidence of psychological distress. No relatives who agreed to organ donation regretted this but three who did not allow donation subsequently expressed regret. Several relatives thought that observing the tests would have helped them to understand that death had occurred, making easier the decision to allow organ donation.


Subject(s)
Attitude to Health , Brain Death/diagnosis , Family/psychology , Tissue and Organ Procurement , Adult , Attitude to Death , Decision Making , England , Grief , Humans , Interviews as Topic , Middle Aged , Professional-Family Relations , Retrospective Studies
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