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Table 3 Hazard ratio for moderate a second injury in relation to different age groups (age at first injury). The analyses were divided by gender

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

 

Men

Women

HR

95 % CI

HR

95 % CI

Age groups, years

 20–29 year

1.00

  

1.00

  

 30–39 year

0.76

0.68

0.86

ns

  

 40–49 year

0.82

0.72

0.93

1.39

1.18

1.64

 50–59 year

ns b

  

2.09

1.81

2.42

 60–69 year

ns

  

2.73

2.36

3.16

 70–79 year

1.89

1.65

2.16

4.82

4.22

5.50

 80–89 year

3.00

2.58

3.48

7.20

6.32

8.22

 90 and older

6.04

4.50

8.11

9.66

7.97

11.72

  1. a Moderate is defined as an injury with at least ISS 4 level
  2. b ns not significant