Table 5.
Covariates of the trauma patients before and after propensity score matching (1:1 greedy matching) for mortality assessment.
| Before |
After |
|||||||
|---|---|---|---|---|---|---|---|---|
| Death n = 111 | Survival n = 6836 | OR(95%CI) | p | Death n = 111 | Survival n = 111 | OR(95%CI) | p | |
| Helmet, n(%) | ||||||||
| Yes | 56(50.5) | 5918(86.6) | 0.2(0.11–0.23) | <0.001 | 56(50.5) | 56(50.5) | 1.0(0.59–1.69) | 1.000 |
| No | 30(27.0) | 796(11.6) | 2.8(1.84–4.30) | <0.001 | 30(27.0) | 30(27.0) | 1.0(0.55–1.81) | 1.000 |
| Unspecific | 25(22.5) | 122(1.8) | 16.0(9.90–25.85) | <0.001 | 25(22.5) | 25(22.5) | 1.0(0.53–1.88) | 1.000 |
| Alcohol>50, n(%) | 23(20.7) | 610(8.9) | 2.7(1.67–4.25) | <0.001 | 23(20.7) | 23(20.7) | 1.0(0.52–1.91) | 1.000 |