Testing the reliability of 3D-ID software in sex and ancestry estimation with a modern Greek sample

Forensic Science International : Synergy
Andreas BertsatosMaria-Eleni Chovalopoulou

Abstract

A primary concern in forensic anthropology, when reconstructing the biological profile of an unidentified individual is ancestry and sex estimation. The development of multivariate statistical methods and the assembly of large reference sample databases gave rise to the development of specialized computer software for sex and ancestry estimation. Among various such software, the 3D-ID is the only freely-available program that can handle missing values in the input dataset. The present study evaluates the reliability of 3D-ID in correctly classifying ancestry and sex of 158 test subjects from the Athens Collection, a documented Greek population sample. 3D-ID's classification performance was evaluated both separately and collectively for sex and ancestry. According to our results, the accuracy regarding sex estimation ranged from 74.05% to 86.7% for cases with unknown ancestry and reached 89.87% when testing within the Southeastern European reference group, whereas ancestry estimation accuracy reached 70.9% for correctly classifying the Greek individuals to European population groups. We conclude that 3D-ID software exhibits moderate reliability in ancestry estimation and adequate reliability in sex estimation. The Greek populati...Continue Reading

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