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Table 4 Hazard ratio for moderate a second injury in relation to first injury type. The analyses were divided by gender and age group and adjusted for age (in years) within each age group. The reference is all other injuries

From: Trauma recidivism at an emergency department of a Swedish medical center

  Men Women
Age group 20–65 year 66 year and older 20–65 year 66 year and older
  HR 95 % CI HR 95 % CI HR 95 % CI HR 95 % CI
Concussion 1.41 (1.12–1.77) ns b   ns   ns  
Contusion ns   ns   ns   ns  
Fracture 1.28 (1.15–1.42) 1.31 (1.12–1.54) 1.44 (1.28–1.62) ns  
Sprain 1.13 (1.00–1.26) 1.42 (1.01–1.99) 1.19 (1.05–1.35) 1.26 (1.02–1.56)
Wound 0.89 (0.80–0.98) 0.78 (0.63–0.95) 0.84 (0.72–0.97) 0.83 (0.70–0.98)
Poison ns   ns   ns   ns  
Thermo ns   ns   ns   ns  
Foreign body 0.76 (0.59–0.98) ns   0.44 (0.23–0.84) ns  
  1. a Moderate is defined as an injury with at least ISS 4 level
  2. b ns not significant