Table 2 Significant covariates of obese and normal-weight patients before and after propensity score matching (1:1 matching)
| Â | Before matching | After matching | ||||||
|---|---|---|---|---|---|---|---|---|
Variables | Death n = 74 | Survival n = 6197 | Odds ratio (95 %) | P | Death n = 66 | Survival n = 66 | Odds ratio (95 %) | P |
Age | 50.0 ± 12.5 | 42.8 ± 13.7 | — | <0.001 | 49.9 ± 12.7 | 48.7 ± 12.7 | — | 0.509 |
HTN | 16(21.6) | 842(13.6) | 1.8(1.00–3.07) | 0.046 | 15(22.7) | 15(22.7) | 1.0(0.44–2.26) |  |
Alcohol > 50, n(%) | 15(20.3) | 547(8.8) | 2.6(1.48–4.66) | 0.001 | 12(18.2) | 12(18.2) | 1.0(0.41–2.42) |  |
GCS | 6.3 ± 4.5 | 14.4 ± 2.0 | — | <0.001 | 6.7 ± 4.6 | 7.4 ± 4.6 | — | 0.257 |
AIS, n(%) | ||||||||
 Head/Neck | 65(87.8) | 1479(23.9) | 23.0(11.45–46.37) | <0.001 | 58(87.9) | 58(87.9) | 1.0(0.35–2.84) |  |
 Thorax | 15(20.3) | 740(11.9) | 1.9(1.06–3.32) | 0.029 | 13(19.7) | 13(19.7) | 1.0(0.42–2.36) |  |
 Extremity | 21(28.4) | 4590(74.1) | 0.1(0.08–0.23) | <0.001 | 19(28.8) | 19(28.8) | 1.0(0.47–2.13) |  |
ISS | 30.6 ± 17.9 | 7.9 ± 6.5 | — | <0.001 | 25.7 ± 11.0 | 23.8 ± 10.5 | — | 0.124 |