Table 4 Univariate and multivariate logistic regression analyses of risk factors for early mortality in the study subjects†.
Risk factors | OR early mortality Univariate analysis | P value | OR early mortality Multivariate analysis | P value |
|---|---|---|---|---|
EF 35% - 50% | 2.623 (1.923 -3.578) | < .0001 | 1.9 (1.335 -12.693) | < .0001 |
EF < 35% | 7.592 (5.143 -11.207) | < .0001 | 4.206 (2.6 -6.805) | < .0001 |
Age (y)* | 1.08 (1.062 -1.098) | < .0001 | 1.031 (1.004 -1.059) | .026 |
Male sex | 0.802 (0.601 -1.070) | .071 | ||
NYHA class | 1.338 (1.122 -1.595) | .001 | 1.168 (0.908 -1.503) | .227 |
Angina class | 1.002 (0.951 -1.055) | .277 | ||
Hypertension | 0.929 (0.716 -1.207) | .662 | ||
COPD | 1.966 (1.438 -2.687) | < .0001 | 1.479 (0.943 -2.319) | .089 |
Preoperative Hb level | 0.692 (0.634 -0.755) | < .0001 | 0.883 (0.779 -1.001 | .051 |
Diabetes | 1.524 (1.148 -2.023) | .004 | 1.743 (1.195 -2.543) | .004 |
Preoperative CrCl | 0.965 (0.962 -0.968) | < .0001 | 0.978 (0.967 -0.988) | < .0001 |
PVD | 1.633 (1.164 -2.290) | .005 | 1.441 (991 -2.277) | .118 |
Prior cardiac surgery | 4.542 (3.304 -6.244) | < .0001 | 3.064 (1.847 -5.083) | < .0001 |
No. of anastomoses | 0.903 (0.801-1.011) | .077 | ||
Off-pump | 0.631 (0.366 -1.087) | .097 | ||
Use of IMA | 0.231 (0.176 -0.303) | < .001 | ||
Cardioplegia | 1.312 (0.995 -1.731) | .054 | ||
Emergency | 6.550 (4.722 -9.087) | < .0001 | 3.307 (1.597 -6.846) | .001 |
Perioperative MI | 5.938 (4.053 -8.699) | < .0001 | ||
Re-exploration | 5.810 (4.261-7.922) | < .0001 | ||
IABP | 13.974 (9.916 -19.691) | < .0001 |