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Sex estimation in a Turkish population using Purkait’s triangle:a virtual approach by 3-dimensional computed tomography(3D-CT)

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Forensic Sciences Research 2022年第2期7卷 97-105页

作者： Julieta G.García-Donas suna ors Ercan Inci Elena F.Kranioti Oguzhan Ekizoglu Negahnaz Moghaddam Silke Grabherr Centre for anatomy and human identification school of science and engineeringUniversity of DundeescotlandUK Department of radiology Bakirkoy Training and research hospitalistanbulTurkey Department of Forensic science University of cretecreteGreece University center of Legal Medicine Lausanne-Geneva Lausanneswitzerland Unit of Forensic imaging and anthropology University center of Legal Medicine Lausanne-GenevaLausanneswitzerland Swiss human institute of Forensic Taphonomy University center of Legal Medicine Lausanne-GenevaLausanneswitzerland

Sex estimation is considered one of the first steps in the forensic identification *** and morphometrical differences between males and females have been used as means for morphoscopic and metric methods on both cranial and postcranial skeletal *** dry skeletal elements are not available,virtual data can be used as a *** present research explores 3-dimensional(3D)scans from a Turkish population to test a sex estimation method developed by Purkait(2005).Overall,296 individuals were used in this study(158 males and 138 females).Purkait’s triangle parameters were measured on computed tomography(CT)scans obtained from both right and left femora of each patient at the Bakirkoy *** Konuk Training Research Hospital(Istanbul,Turkey).Intra-and inter-observer errors were assessed for all variables through technical error of measurements *** asymmetry and sex differences were evaluated using parametric and non-parametric statistical *** and multivariate discriminant function analyses were then *** errors demonstrated an overall agreement within and between experts,as indicated by technical error of measurement(TEM)*** bilateral asymmetries were reported,and all parameters demonstrated a statistically significant difference between males and *** discriminant models were generated by applying single and combined parameters,producing a total correct sex classification ranging from 78.4%to 92.6%.In addition,over 67%of the total sample was accurately classified,with 95%or greater posterior *** study demonstrates the feasibility of 3D sex estimation using Purkait’s triangle on a Turkish population,with accuracy rates comparable to those reported in other *** is the first attempt to apply this method on virtual data and although further validation and standardisation are recommended for its application on dry bone,this research constitutes a signif

关键词： Forensic sciences forensic anthropology sex estimation computed tomography Purkait’s triangle

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