ArticleInternational journal of legal medicine2019
Postcraniometric sex and ancestry estimation in South Africa: a validation study.
Article in International journal of legal medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 35 citations in OpenAlex.
- Ancestry estimation: Methodological evolution and forensic implications.Forensic science, medicine, and pathology · 2026Review
- Metric analysis of the postcranial skeleton: a comprehensive approach for biological sex estimation in an Italian population.International journal of legal medicine · 2026Article
- Population affinity estimation in forensic anthropology: a South African perspective.International journal of legal medicine · 2025Review
- Exploring craniofacial fluctuating asymmetry in a South African sample.Journal of anatomy · 2025Article
- Evaluation of standards for sex estimation using measurements obtained from reconstructed computed tomography images of the femur of contemporary Black South Africans.International journal of legal medicine · 2025Article
- Estimation of population affinity using cranial measurements acquired in multidetector computed tomography images of Japanese and Malay individuals.International journal of legal medicine · 2025Article
- Sex determination based on features of the craniofacial bones in a sample of the central Chinese population using cone beam computed tomography.Forensic sciences research · 2025Article
- Estimation of population affinity using proximal femoral measurements based on computed tomographic images in the Japanese and western Australian populations.International journal of legal medicine · 2024Article
- Prioritizing a high posterior probability threshold leading to low error rate over high classification accuracy: the validity of MorphoPASSE software for cranial morphological sex estimation in a contemporary population.International journal of legal medicine · 2024Article
- Estimation of ancestry from cranial measurements based on MDCT data acquired in a Japanese and Western Australian population.International journal of legal medicine · 2024Article
- Machine learning and discriminant function analysis in the formulation of generic models for sex prediction using patella measurements.International journal of legal medicine · 2023Article
- Purkait's triangle revisited: role in sex and ancestry estimation.Forensic sciences research · 2022Article
- Evaluation of ancestry from human skeletal remains: a concise review.Forensic sciences research · 2020Review
- Forensic evaluation of craniometric characteristics of the Kazakhstan population.Journal of oral biology and craniofacial researchArticle
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
With the acceptance of the Daubert criteria as the standards for best practice in forensic anthropological research, more emphasis is being placed on the validation of published methods. Methods, both traditional and novel, need to be validated, adjusted, and refined for optimal performance within forensic anthropological analyses. Recently, a custom postcranial database of modern South Africans was created for use in Fordisc 3.1. Classification accuracies of up to 85% for ancestry estimation and 98% for sex estimation were achieved using a multivariate approach. To measure the external validity and report more realistic performance statistics, an independent sample was tested. The postcrania from 180 black, white, and colored South Africans were measured and classified using the custom postcranial database. A decrease in accuracy was observed for both ancestry estimation (79%) and sex estimation (95%) of the validation sample. When incorporating both sex and ancestry simultaneously, the method achieved 70% accuracy, and 79% accuracy when sex-specific ancestry analyses were run. Classification matrices revealed that postcrania were more likely to misclassify as a result of ancestry rather than sex. While both sex and ancestry influence the size of an individual, sex differences are more marked in the postcranial skeleton and are therefore easier to identify. The external validity of the postcranial database was verified and therefore shown to be a useful tool for forensic casework in South Africa. While the classification rates were slightly lower than the original method, this is expected when a method is generalized.
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