估计性别使用尺寸周围的甲足半体营养孔:应用的差别函数分析和后勤回归模型的应用
Arthur Tsalani Manjatika1, Joshua Gabriel Davimes2, Pedzisai Mazengenya3
1School of Anatomical Sciences, University of the Witwatersrand, Parktown, Johannesburg, South Africa; School of Life Sciences and Allied Health Professions, Anatomy Division, Kamuzu University of Health Sciences, Blantyre, Malawi.
Legal medicine (Tokyo, Japan)
|January 31, 2024
概括
新的研究表明,在甲骨的营养孔周围的测量可以准确地估计欧洲血统的南非人的性别. 这种方法提高了使用骨遗骸的法医识别准确度.
科学领域:
- 法医人类学 法医人类学
- 人类骨科人类骨科
- 生物学人类学 生物学人类学
背景情况:
- 性别估计在法医人类学中至关重要,以特定人群的方程提高准确性.
- 甲足骨提供了估计性别的潜力,但营养孔周围的尺寸仍然未被探索.
研究的目的:
- 评估中骨中营养孔尺寸对性别估计的有用性.
- 开发和验证歧视函数 (DFA) 和逻辑回归 (LRA) 模型,用于欧洲血统南非人的性别估计 (SAED).
主要方法:
- 分析了来自186个SAED个体的876个甲足的营养孔周围的5个测量结果.
- 区分函数分析 (DFA) 和逻辑回归分析 (LRA) 用于构建预测模型.
- 宽度测量 (中侧,背侧) 证明比基于长度的测量更有效的预测器.
主要成果:
- 多变量DFA和LRA模型实现了高的原始分类准确度,从83.1%到88.7%不等.
- 交叉验证显示,准确度的下降很小 (DFA为0-2.4%,LRA为0.2-1.1%),表明模型很强大.
- 性二态性在SAED群体中,在甲足营养孔周围的尺寸中很明显.
结论:
- 围绕甲足营养孔的尺寸是SAED群体中性别的可靠指标.
- 开发的DFA和LRA功能为法医识别中性别估计提供了准确和有用的工具.
- 这项研究有助于扩大骨元素的目录,以便更精确地进行法医性别估计.
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