Table 2 Number of end point events and covariate-adjusted ORs in overall population
End Point | No. (%) of events by group | OR (95% CI)a | |||
|---|---|---|---|---|---|
Non-smokers (n = 2896) | Ex-smokers (n = 2373) | Current smokers (n = 1262) | Ex-smokers (n = 2373) | Current smokers (n = 1262) | |
Mortality | 142 (4.9) | 86 (3.6) | 29 (2.3) | 0.974 (0.715–1.327) | 0.612 (0.395–0.947) |
Re-intubation | 88 (3.0) | 56 (2.4) | 28 (2.2) | 0.887 (0.613–1.282) | 0.911 (0.575–1.442) |
Postoperative MI | 33 (1.1) | 21 (0.9) | 11 (0.9) | 0.778 (0.425–1.421) | 0.712 (0.341–1.487) |
Mediastinal infection | 34 (1.2) | 13 (0.5) | 4 (0.6) | 0.599 (0.299–1.199) | 0.570 (0.240–1.355) |
Postoperative stroke | 19 (0.7) | 10 (0.4) | 5 (0.4) | 0.810 (0.351–1.874) | 0.756 (0.265–2.153) |
Postoperative renal failure | 73 (2.5) | 51 (2.1) | 19 (1.5) | 0.941 (0.629–1.409) | 0.650 (0.377–1.121) |
Ventilation > 24 h | 279 (9.6) | 235 (9.9) | 110 (8.7) | 1.081 (0.877–1.332) | 0.819 (0.749–1.256) |
MODS | 61 (2.1) | 27 (1.1) | 12 (1.0) | 0.704 (0.426–1.164) | 0.629 (0.324–1.221) |
Re-operation | 66 (2.3) | 58 (2.4) | 24 (1.9) | 1.070 (0.721–1.587) | 0.891 (0.539–1.474) |