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Table 2 Significant covariates of obese and normal-weight patients before and after propensity score matching (1:1 matching)

From: Traumatic injuries among adult obese patients in southern Taiwan: a cross-sectional study based on a trauma registry system

  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