Title |
Recalibration of the Klales et al. (2012) method of sexing the human innominate for Mexican populations
|
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Published in |
American Journal of Physical Anthropology, January 2017
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DOI | 10.1002/ajpa.23157 |
Pubmed ID | |
Authors |
Jorge A. Gómez‐Valdés, Antinea Menéndez Garmendia, Lizbeth García‐Barzola, Gabriela Sánchez‐Mejorada, Carlos Karam, José Pablo Baraybar, Alexandra Klales |
Abstract |
The aim of this study was to test the accuracy of the Klales et al. (2012) equation for sex estimation in contemporary Mexican population. Our investigation was carried out on a sample of 203 left innominates of identified adult skeletons from the UNAM-Collection and the Santa María Xigui Cemetery, in Central Mexico. The Klales' original equation produces a sex bias in sex estimation against males (86-92% accuracy versus 100% accuracy in females). Based on these results, the Klales et al. (2012) method was recalibrated for a new cutt-of-point for sex estimation in contemporary Mexican populations. The results show cross-validated classification accuracy rates as high as 100% after recalibrating the original logistic regression equation. Recalibration improved classification accuracy and eliminated sex bias. This new formula will improve sex estimation for Mexican contemporary populations. |
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