Risk of Permanent Medical Impairment (Rpmi) in Car Crashes Correlated to Age And Genders
Artikel i vetenskaplig tidskrift, 2015

Objective As fatalities from car crashes decrease, focus on medical impairment following car crashes becomes more essential. This study assessed the risk of permanent medical impairment based on car occupant injuries. The aim was to study whether the risk of permanent medical impairment differs depending on age and gender. Methods In total, 36,744 injured occupants in car crashes that occurred between 1995 and 2010 were included. All initial injuries (n = 61,440) were classified according to the AIS 2005. If a car occupant still had residual symptoms three years after a crash, the case was classed as a permanent medical impairment. In total, 5,144 injuries led to permanent medical impairment. The data were divided into different groups according to age and gender as well as levels of permanent impairment. The risk of permanent medical impairment was established for different body regions and injury severity levels, according to the AIS. Results The cervical spine was the body region that had the highest number of diagnoses, while occupants who sustained injuries to the upper and lower extremities had the highest risk of medical impairment for both genders. Females aged 60 and above had a higher risk of permanent medical impairment from fractures in the extremities compared to males in the same age and also compared to younger females. Females aged 44 or younger had a higher risk of permanent medical impairment from Whiplash Associated Disorders (WAD) than males in the same age. Minor and moderate injuries (AIS 1-2) had a higher risk of permanent medical impairment among older car occupants compared to younger. Conclusions Differences in long-term outcome were dependent on both gender and age. Differences between age groups were generally greater than between genders. The vast majority of permanent medical impairments resulted from diagnoses with a low risk of fatality. The results emphasize the impact of age and gender in long-term consequences from car crashes. They could be used when designing safety technology in cars as well as to improve healthcare by contributing to better allocation of rehabilitation resources following trauma. View full text Download full text



neck injury



permanent medical impairment


M Gustafsson

Umeå universitet

H. Stigson

Folksams forskningsstiftelse

Karolinska Institutet

M. Krafft

Folksams forskningsstiftelse

Umeå universitet

Anders Kullgren

SAFER, Fordons- och trafiksäkerhetscentrum

Chalmers, Tillämpad mekanik, Fordonssäkerhet

Traffic Injury Prevention

1538-9588 (ISSN) 1538-957X (eISSN)

Vol. 16 4 353-361




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