Thirteen Cranial Morphometric Analysis Using Computed Tomography (CT) Imaging for Sex Determination in the Thai Populations

Information from the abstract

Sex estimation in forensic anthropology is essential for identifying human skeletal remains. However, there remains a need for cost-effective, simple, and reliable methods, particularly in cases where skulls are found at crime scenes or are damaged. This study analyzed 13 cranial parameters from 404 CT-derived skull images of Thai individuals (202 females, 202 males) using standard anthropometric techniques for sex classification. Discriminant analysis revealed that the 12-parameter model achieved a sex classification accuracy ranging from 57.8% to 77.6%. The accuracy significantly improved to 83.9% with the inclusion of six parameters: Biorbital breadth, basion–bregma height, maximum cranial length, mastoid height, lambda–opisthion chord, and foramen magnum length. These findings underscore the potential of cranial morphometric analysis via computed tomography imaging as a supplementary tool for sex estimation in Thai populations. To establish a population-specific standard, further research with larger sample sizes, additional morphometric landmarks, and expanded skull indices is necessary. Additionally, ensuring accurate nationality verification remains crucial for enhancing the reliability of this approach.

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Related topics: Forensic Anthropology and Bioarchaeology Studies · Forensic and Genetic Research · Paleopathology and ancient diseases