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Updated: Sep 10, 2025

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フィリピンの頭蓋骨における性別推定は,メトリックと非メトリックの方法を用いる
1SNA International, supporting the Department of Defense POW/MIA Accounting Agency, Scientific Analysis Directorate, 590 Moffet Street, Building 4077, Joint Base Pearl Harbor-Hickam, Hawaii, 96853, USA. mattycgo@gmail.com.
International journal of legal medicine
|August 20, 2025
まとめ
フィリピン人の性別を推定するための集団特有の頭蓋骨の方法の開発は極めて重要です. 現存する他の集団の手法も不十分であり,法医学人類学のフィリピン特有のアプローチの必要性を強調している.
科学分野:
- 法医学人類学
- 生物学的人類学
- 人間骨科
背景:
- 頭蓋骨の形状は 未確認の人間の遺体の性別を判断する上で重要な指標です
- 頭蓋骨の性二形態は,多様なヒト集団に大きく異なっている.
- 正確な性別推定には,人口特有の方法がしばしば必要である.
研究 の 目的:
- 現代のフィリピン人の頭蓋骨の性別推定方程式を開発し,検証する.
- フィリピンのサンプルで既存の非フィリピン人およびアジア人による頭蓋骨の性別推定方法の性能を評価する.
- アジアの集団内およびその間の頭蓋骨の性二形態の変化を調査する.
主な方法:
- フィリピン人の頭蓋骨から得られたクレニオメトリックデータを用いて,線形差別関数の開発.
- フィリピンの頭蓋骨の非メトリック特性を利用したロジスティック回帰方程式の開発.
- 開発した方程式のクロス検証と,フィリピンのサンプルに外部方程式の適用.
主要な成果:
- クラニオメトリック方程式により,78.8%から91.3%の正確な分類が達成された.
- 非対称的特性の方程式は,63.8%から89.7%の正確な分類精度をもたらした.
- フィリピンの頭蓋骨は,他の集団からの方程式によって悪質に分類され,雄はしばしば雌として誤って分類された.
結論:
- 他の集団のために開発された既存の頭蓋骨の性別推定方法は,一般的にフィリピン人にとって信頼できない.
- 法医学人類学における大陸の祖先集団の同質性仮定は挑戦されており,その検証は不可欠である.
- フィリピンに特有の頭蓋骨の性別推定方法は,行方不明者調査や災害被害者の特定に不可欠です.
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