Table 3: Multivariate analysis (for predictors P<0.10).
Outcomes/Predictors |
Ratios |
95% confidence interval |
P-value |
Operative mortality |
|
|
|
Cardiopulmonary bypass time (per minute) |
1.02 |
1.00-1.04 |
0.044 |
Mortality during follow-up |
|
|
|
Age (per year) |
1.11 |
1.02-1.20 |
0.018 |
Critical pre-operative state |
2.85 |
0.904-8.97 |
0.074 |
Composite morbidity |
|
|
|
Congestive heart failure |
3.03 |
1.05-8.72 |
0.040 |
Previous stroke |
8.87 |
0.849-92.8 |
0.068 |
Ventilation>24 hours |
|
|
|
Pulmonary hypertension (per category) |
2.19 |
0.959-5.02 |
0.063 |
Return to theatre |
|
|
|
Congestive heart failure |
5.93 |
0.975-36.0 |
0.053 |
Previous cardiac surgery |
11.3 |
1.28-99.4 |
0.029 |
All ratios are odds ratios, except hazards ratios for predictors of mortality during follow-up.