Table 4.
Analysis of survival after stepwise backward: variables age, CPB time, complications and length of stay in ICU. São Paulo, Brazil 2014.
| Variables | HR | CI (95%) of HR | P-value | |
|---|---|---|---|---|
| Lower Lim | Upper Lim | |||
| Age | 1.037 | 1.019 | 1.056 | 0.0000 |
| CPB time | 1.600 | 1.055 | 2.426 | 0.0268 |
| Complications (>2) | 2.300 | 1.399 | 3.780 | 0.0010 |
| Length of stay in ICU 1-3 | 1.000 | |||
| Length of stay in ICU 4-10 | 0.776 | 0.435 | 1.383 | 0.3909 |
| Length of stay in ICU 11-30 | 0.879 | 0.502 | 1.540 | 0.6536 |
| Length of stay in ICU 11-30 | 0.426 | 0.227 | 0.8011 | 0.0081 |
CPB=cardiopulmonary bypass; HR=hazard ratio; ICU=intensive care unit