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Assessment of Child Anthropometry in a Large Epidemiologic Study
Published on: February 2, 2017
Stature estimation from long bone lengths in a Thai population.
Pasuk Mahakkanukrauh1, Pongsak Khanpetch, Sukon Prasitwattanseree
1Department of Anatomy, Faculty of Medicine, Chiang Mai University, 50120, Thailand.
Forensic Science International
|May 28, 2011
Summary
Forensic stature estimation in Thailand is crucial. This study developed regression formulae using long bones from a northern Thai skeletal sample, finding the fibula and femur most accurate for males and females, respectively.
Area of Science:
- Forensic Anthropology
- Biological Profile Development
- Human Osteology
Background:
- Stature estimation is vital for forensic identification, yet data for modern Thai populations is scarce.
- Increasing forensic cases in Thailand necessitate population-specific stature estimation methods.
- Previous research has not adequately addressed stature estimation in contemporary Thai individuals.
Purpose of the Study:
- To develop and validate stature reconstruction formulae for a modern northern Thai population.
- To identify the most accurate long bones for estimating stature in this demographic.
- To address the lack of specific forensic anthropological data for Thailand.
Main Methods:
- Sample: 200 Thai skeletons (132 males, 68 females; aged 19-94 years).
- Measurements: Maximum lengths of humerus, radius, ulna, femur, tibia, and fibula.
- Analysis: Linear regression for formula generation, validated on a holdout sample (15 males, 15 females).
Main Results:
- For males, lower limb bones (fibula, femur) provided the most accurate stature estimates.
- For females, the femur showed the lowest standard error, followed by the radius.
- Femur-based equations demonstrated high accuracy in the holdout sample (MAE 3.5cm, MedAE 2.4cm).
Conclusions:
- The study provides reliable stature estimation formulae for northern Thai individuals.
- Fibula and femur are recommended for male stature reconstruction; femur for females.
- Higher female estimation errors may reflect recent secular trends impacting stature.
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