This study aimed to analyze the 3D morphology of the condylar part of the occiput in a Korean population and evaluate its applicability for sex estimation. A total of 87 individuals (44 males and 43 females) were included, and measurements of the occipital condyle and foramen magnum were obtained using computed tomography–based 3D reconstructions. Intra-observer reliability was assessed, and univariate and multivariate discriminant analyses were performed to evaluate the discriminative power of each variable. Most measurements showed significant sexual dimorphism, with males generally exhibiting higher values than females. Particularly, variables related to the occipital condyle, including length, width, and area, demonstrated relatively high discriminative performance, whereas those related to the foramen magnum showed comparatively lower discriminative ability. Multivariate analysis further improved the classification accuracy, indicating that the combined use of multiple variables enhanced the ability to distinguish between sexes. These findings suggest that this approach may be particularly valuable in forensic contexts where skeletal remains are incomplete and offer a reliable alternative when more commonly used elements are unavailable.
Choi et al. (Sun,) studied this question.
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