Journal
ANNALS OF HUMAN BIOLOGY
Volume 42, Issue 4, Pages 379-388Publisher
TAYLOR & FRANCIS LTD
DOI: 10.3109/03014460.2015.1031826
Keywords
Age assessment; bone age; dental age; diagnostic test; U-17 football
Funding
- Medical Research Council [MR/J004839/1, MR/M012069/1]
- Medical Research Council [MR/M012069/1, MR/J004839/1] Funding Source: researchfish
- MRC [MR/J004839/1, MR/M012069/1] Funding Source: UKRI
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Aim: To consider the evidential value of developmental age images for identifying age of majority.Methods: The published literature on hand-wrist X-rays, MRI scans of the distal radius and orthopantomograms of the lower left third molar is considered in terms of the mean age of attainment of the adult appearance and the diagnostic test performance of the adult appearance to predict adult status, either administratively (under-17 football) or forensically.Results: The mean age of attainment of a mature hand-wrist X-ray is under 18 years and most individuals are mature before age 18. For the MRI wrist scan and the third molar the age of attainment is over 19 years and the adult appearance is an indicator of adulthood, while the immature appearance is uninformative about likely age. So MRI and third molars have high specificity, but low sensitivity.Conclusions: Bone age assessed by hand-wrist X-ray is uninformative and should not be used. The adult appearance of MRI wrist scans and third molars provide evidence of being over-age, although there remains a small risk of minors being misclassified as adult. The immature appearance is uninformative about likely age and, overall, more than one third of assessments are wrong.
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