Table 3.
Analysis of survival among the variables age, GFR, CPB time, complications and length of stay in ICU (Days). São Paulo, Brazil 2014.
| Variables | HR | CI (95%) of HR | P-value | |
|---|---|---|---|---|
| Lower Lim | Upper Lim | |||
| Age | 1.039 | 1.019 | 1.059 | 0.0001 |
| GFR I | 1.000 | |||
| GFR II | 0.879 | 0.421 | 1.835 | 0.7323 |
| GFR III | 0.851 | 0.393 | 1.839 | 0.6817 |
| GFR IV | 1.163 | 0.404 | 3.344 | 0.7785 |
| GFR V | 0.614 | 0.252 | 1.496 | 0.2833 |
| CPB time | 1.418 | 0.924 | 2.175 | 0.1095 |
| Complications | 2.076 | 1.189 | 3.623 | 0.0101 |
| Length of stay in ICU 1-3 | 1.000 | |||
| Length of stay in ICU 4-10 | 0.736 | 0.400 | 1.356 | 0.3270 |
| Length of stay in ICU 11-30 | 0.871 | 0.492 | 1.540 | 0.6356 |
| Length of stay in ICU >30 | 0.381 | 0.199 | 0.733 | 0.0038 |
CPB=cardiopulmonary bypass; GFR=glomerular filtration rate; HR=hazard ratio; ICU=intensive care unit