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Forensic Applicability of Femur Subtrochanteric Shape to Ancestry Assessment in Thai and White American Males
Journal article   Peer reviewed

Forensic Applicability of Femur Subtrochanteric Shape to Ancestry Assessment in Thai and White American Males

Sean D. Tallman and Allysha P. Winburn
Journal of forensic sciences, Vol.60(5), pp.1283-1289
09/2015
DOI: https://doi.org/10.1111/1556-4029.12775
PMID: 25845441
Web of Science ID: WOS:000360985000024

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13 Times Cited - Web of Science

Abstract

Ancestry assessment from the postcranial skeleton presents a significant challenge to forensic anthropologists. However, metric dimensions of the femur subtrochanteric region are believed to distinguish between individuals of Asian and non-Asian descent. This study tests the discriminatory power of subtrochanteric shape using modern samples of 128 Thai and 77 White American males. Results indicate that the samples' platymeric index distributions are significantly different (p0.001), with the Thai platymeric index range generally lower and the White American range generally higher. While the application of ancestry assessment methods developed from Native American subtrochanteric data results in low correct classification rates for the Thai sample (50.8-57.8%), adapting these methods to the current samples leads to better classification. The Thai data may be more useful in forensic analysis than previously published subtrochanteric data derived from Native American samples. Adapting methods to include appropriate geographic and contemporaneous populations increases the accuracy of femur subtrochanteric ancestry methods.

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