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. 2022 Jul;136(4):1017-1025.
doi: 10.1007/s00414-021-02741-6. Epub 2022 Jan 6.

Contribution of the use of clavicle bone density in age estimation

Ryan Toutin  1   2 , Marie Faruch Bilfeld  3 , Camille Raspaud  4 , Corisandre Bec  4 , Norbert Telmon  5   4 , Frederic Savall  5   4 , Fabrice Dedouit  5   4
Affiliations

Contribution of the use of clavicle bone density in age estimation

Ryan Toutin et al. Int J Legal Med. 2022 Jul.

Abstract

Age estimation is an essential element in the field of forensics and is also of judicial interest in forensic medicine of the living. Despite all the methods, age estimation is often imprecise with many biases, especially in mature individuals. The main objective of our study is to assess the correlation between age and computed tomography bone mineral density of the medial end of the clavicle. A sample of 180 chest multi-slice computed tomography scans without contrast injection performed in living individuals, with suspected respiratory infection, aged 15 to 100 years was used. Bone density measurement was performed on the medial meta-epiphyseal region of the clavicles. A significant negative correlation was found between bone density and age of individuals (p-value < 0.05). The mean absolute error was calculated for men at 13.4 years and 13.1 years for women, which was associated with an absence of bias. Good precision of the estimate for both sexes was also calculated on a subgroup of individuals whose age was greater than 40 years, with average absolute errors of about 12 years, which was associated with an absence of relative error. In view of our preliminary results, the study of bone density of the medial end of the clavicle could be of interest in the estimation of age. Several studies will be necessary to evaluate the reproducibility of these results on independent bone samples and in the estimation of age in the living individual.

Keywords: Age estimation; Bone mineral density; Computed tomography; Forensic anthropology; Medial clavicular epiphysis.

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