The relative accuracy and reliability of histological aging methods

Area of Science:

• Forensic Anthropology
• Bioarchaeology
• Osteology

Background:

• Accurate skeletal age estimation is crucial in forensic and archaeological contexts.
• Histological methods offer potential for precise age determination from bone.
• Kerley's and Ahlqvist and Damsten's methods are established techniques for histological aging.

Purpose of the Study:

• To evaluate the accuracy and reliability of different histological aging techniques.
• To compare Kerley's and Ahlqvist and Damsten's methods for bone aging.
• To identify the optimal histological aging method for diverse age groups.

Main Methods:

• Application of Kerley's and Ahlqvist and Damsten's histological aging methods.
• Analysis of bone samples from thirteen individuals of known age at death.
• Statistical evaluation of accuracy and reliability for multiple predictive formulas and mean regression.

Main Results:

• Averaging age estimates from Kerley's six formulas (mean regression) demonstrated the highest overall accuracy and reliability.
• Kerley's femoral intact osteon formula was most accurate for younger individuals (13-51 years).
• Kerley's fibular osteon fragment formula showed highest accuracy for older individuals (60-102 years).

Conclusions:

• Mean regression, averaging age predictions from multiple histological formulas, is the most accurate and reliable method for broad application.
• Histological aging methods provide valuable data for forensic and bioarchaeological research.
• Methodological choices impact accuracy and reliability, with mean regression offering superior performance.