Department of Oral Medicine and Radiology Manipal College of Dental Sciences Mangalore Manipal Academy of Higher Education, Manipal, Karnataka 576104, India.
Department of Oral Pathology and Microbiology Manipal College of Dental Sciences Mangalore Manipal Academy of Higher Education, Manipal, Karnataka 576104, India.
ScientificWorldJournal. 2024 Aug 23;2024:6825489. doi: 10.1155/2024/6825489. eCollection 2024.
This study aims to evaluate the accuracy rate of foramen magnum dimensions in determining sex among the South Indian population using discriminant functional analysis.
An observational study in which CBCT images from 200 full field of view (FOV) scans were analysed. The dimensions of the foramen magnum were measured. Intra- and interobserver reliability were calculated. Independent -tests were used to compare the various parameters between sexes. Stepwise discriminant function analysis was used to determine sex.
A total of 200 CBCT scans were included in the study. The mean age (±SD) was 25.66 (±7.11) years among males and 24.64 (±5.12) years among females. The measurements and the circumference of the foramen magnum were significantly ( < 0.001) greater in males than in females. The univariate analysis of foramen magnum measurements reached an accuracy rate of 73.5% in sex determination. The discriminant function analysis combining the foramen magnum measurements and circumference yielded an overall predictability rate of 66.5% for determining sex.
Taking into account the predictability rate of sex based on foramen measurement in the present population, it can be concluded that its applicability should be limited to cases associated with fragmentary skull bases.
本研究旨在使用判别函数分析评估顶骨孔尺寸在确定南印度人群性别中的准确率。
这是一项观察性研究，分析了 200 例全视野（FOV）扫描的 CBCT 图像。测量顶骨孔的尺寸。计算了观察者内和观察者间的可靠性。独立样本 t 检验用于比较性别之间的各种参数。逐步判别函数分析用于确定性别。
共有 200 例 CBCT 扫描纳入研究。男性的平均年龄（±SD）为 25.66（±7.11）岁，女性为 24.64（±5.12）岁。男性的顶骨孔测量值和周长均显著（<0.001）大于女性。顶骨孔测量的单变量分析在性别确定中的准确率为 73.5%。结合顶骨孔测量值和周长的判别函数分析得出性别判定的总体预测率为 66.5%。
考虑到本研究人群中基于顶骨测量的性别预测率，可以得出结论，其适用性应仅限于与颅底碎片相关的情况。
