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Sex and stature estimation from adult lumbar vertebrae in a Thai population based on image analysis / Estimación de sexo y estatura de vértebras lumbares adultas en una población Tailandesa basada en análisis de imagen
Suwanlikhid, Nadthaganya; Prasitwattanaseree, Sukon; La-Tegola, Luciana; Palee, Patison; Sinthubau, Apichat; Guglielmi, Giuseppe; Mahakkanukrauh, Pasuk.
  • Suwanlikhid, Nadthaganya; Chiang Mai University. Faculty of Medicine and Graduate School. Forensic Osteology Research Center. Chiang Mai. TH
  • Prasitwattanaseree, Sukon; Chiang Mai University. Faculty of Science. Department of Statistics. Chiang Mai. TH
  • La-Tegola, Luciana; Foggia University. School of Medicine. Department of Clinical and Experimental Medicine. Foggia. IT
  • Palee, Patison; Chiang Mai University. College of Arts, Media and Technology. Chiang Mai. TH
  • Sinthubau, Apichat; Chiang Mai University. Faculty of Medicine and Graduate School. Forensic Osteology Research Center. Chiang Mai. TH
  • Guglielmi, Giuseppe; Foggia University. School of Medicine. Department of Clinical and Experimental Medicine. Foggia. IT
  • Mahakkanukrauh, Pasuk; Chiang Mai University. Faculty of Medicine and Graduate School. Forensic Osteology Research Center. Chiang Mai. TH
Int. j. morphol ; 38(6): 1651-1656, Dec. 2020. tab, graf
Article in English | LILACS | ID: biblio-1134493
ABSTRACT

SUMMARY:

Although molecular techniques evolved considerably in last years, anthropological methods of assessing skeletal remains, continues to be an important tool in the identification process in medico legal investigations. The objective of this study was to develop a discriminant function equation for estimating sex and stature using several measurements of lumbar vertebrae in a Thai population. We studied 150 lumbar columns (75 male and 75 female) age range of 22 to 89 years from the Forensic Osteology Research Center, Chiang Mai University, Thailand. The quantitative variables with sex were analyzed by the discriminant function analysis and that with stature were calculated using linear regression. The pixel density of the major axis of the trabecular surface of superior endplate of the first lumbar vertebra had the most accuracy in sex determination. The regression equation with quantitative variables in stature estimation described 32.3 % of the total variance with standard error of estimate of 7.736 cm. Lumbar vertebrae can be used as part of the stature and sex quantitatively and qualitatively estimating in Thais incomplete skeletal remains.
RESUMEN
RESUMEN Los métodos antropológicos de evaluación del esqueleto siguen siendo una herramienta importante en el proceso de identificación en las investigaciones médico-legales. El objetivo de este estudio fue desarrollar una ecuación de función discriminante para estimar el sexo y la estatura utilizando varias medidas de las vértebras lumbares en una población tailandesa. Se estudiaron 150 columnas lumbares (75 hombres y 75 mujeres) con un rango etario de 22 a 89 años del Centro de Investigación de Osteología Forense, Universidad de Chiang Mai, Tailandia. Las variables cuantitativas de sexo se analizaron mediante el análisis de función discriminante y la estatura fue calculada mediante regresión lineal. En cuanto a la determinación de sexo, la densidad de píxeles del eje mayor de superficie trabecular de la placa terminal superior de la primera vértebra lumbar fue de mayor precisión. La ecuación de regresión con variables cuantitativas en la estimación de la estatura describió el 32,3 % de la varianza total con el error estándar de estimación de 7,736 cm. Las vértebras lumbares se pueden utilizar como parte de la estatura y el sexo, estimando cuantitativa y cualitativamente los restos esqueléticos incompletos en sujetos tailandeses.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Body Height / Sex Determination by Skeleton / Lumbar Vertebrae Type of study: Prognostic study Limits: Adult / Aged / Aged80 / Female / Humans / Male Country/Region as subject: Asia Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2020 Type: Article Affiliation country: Italy / Thailand Institution/Affiliation country: Chiang Mai University/TH / Foggia University/IT

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Full text: Available Index: LILACS (Americas) Main subject: Body Height / Sex Determination by Skeleton / Lumbar Vertebrae Type of study: Prognostic study Limits: Adult / Aged / Aged80 / Female / Humans / Male Country/Region as subject: Asia Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2020 Type: Article Affiliation country: Italy / Thailand Institution/Affiliation country: Chiang Mai University/TH / Foggia University/IT