Table 2

In-hospital outcomes of the female versus male patients before and after propensity score matching

Cohort/outcome/surgical typeFemaleMaleOR/HR/SHR for female (95% CI)P
Before matching
 In-hospital mortality during admission
 Isolated CABG862 (8.8)2111 (6.5)1.37 (1.26 to 1.49)<0.001*
 Isolated valve582 (6.8)649 (6.2)1.10 (0.98 to 1.24)0.094
 CABG+valve262 (15.8)471 (13.6)1.19 (1.01 to 1.40)0.036
 New onset stroke during admission
 Isolated CABG332 (3.4)872 (2.7)1.26 (1.11 to 1.43)0.001*
 Isolated Valve241 (2.8)352 (3.4)0.83 (0.71 to 0.98)0.031
 CABG+valve65 (3.9)136 (3.9)1.00 (0.74 to 1.35)0.989
 New onset dialysis during admission
 Isolated CABG974 (9.9)2383 (7.4)1.38 (1.28 to 1.49)<0.001*
 Isolated valve506 (5.9)599 (5.7)1.04 (0.92 to 1.17)0.575
 CABG+valve264 (15.9)414 (12.0)1.40 (1.18 to 1.65)<0.001*
After matching
 In-hospital mortality during admission
 Isolated CABG853 (8.7)770 (7.8)1.12 (1.01 to 1.24)0.031
 Isolated Valve500 (6.8)422 (5.7)1.20 (1.05 to 1.37)0.008*
 CABG+valve234 (15.3)227 (14.9)1.04 (0.85 to 1.26)0.723
 New onset stroke during admission
 Isolated CABG330 (3.4)297 (3.0)1.11 (0.95 to 1.31)0.182
 Isolated valve203 (2.8)254 (3.4)0.79 (0.66 to 0.96)0.016
 CABG+valve57 (3.7)67 (4.4)0.84 (0.58 to 1.22)0.370
 New onset dialysis during admission
 Isolated CABG966 (9.84)967 (9.85)1.00 (0.91 to 1.10)0.981
 Isolated valve419 (5.7)421 (5.7)1.00 (0.87 to 1.14)0.943
 CABG+valve228 (14.9)187 (12.2)1.26 (1.02 to 1.55)0.031
  • *Significant after Bonferroni adjustment for type I error inflation (p<0.0083).

  • CABG, coronary artery bypass graft; SHR, subdisribution HR.