Assessment of the 2D:4D ratio in aggression-related injuries in children attending a paediatric emergency department

Background The 2D:4D ratio is a sexually dimorphic trait. A lower ratio is correlated with sporting prowess, successful financial trading, risk taking behaviour, aggression, and aggression-related injuries, such as the fifth metacarpal fractures. Aims We aimed to assess if the ratio correlates to sk...

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Bibliographic Details
Published in:Irish journal of medical science 2017-05, Vol.186 (2), p.441-445
Main Authors: O’Briain, D. E., Dawson, P. H., Kelly, J. C., Connolly, P.
Format: Article
Language:English
Subjects:
Adolescent
Aggression
Child
Emergency Service, Hospital
Family Medicine
Female
Finger Injuries - epidemiology
Fractures, Bone - epidemiology
General Practice
Humans
Internal Medicine
Male
Medicine
Medicine & Public Health
Original Article
Radiography
Retrospective Studies
Sex Factors
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Summary:Background The 2D:4D ratio is a sexually dimorphic trait. A lower ratio is correlated with sporting prowess, successful financial trading, risk taking behaviour, aggression, and aggression-related injuries, such as the fifth metacarpal fractures. Aims We aimed to assess if the ratio correlates to skeletally immature patient aggression. Methods Radiology reports were searched for the terms “5th metacarpal” or “boxer”. Of 537 X-rays, 142 had fractures. The mechanism of injury was recorded in 102 patients, differentiating aggressive and non-aggressive injury groups. Bone age and chronological age were recorded. Results A clear male preponderance for aggression was identified with only 60% of non-aggressive injuries occurring in males compared to 95% in the aggression group ( p  
ISSN:0021-1265
1863-4362
DOI:10.1007/s11845-016-1524-5