Table 2.
Clinical outcomes and resource utilization
| Variable | Sample (n = 385) | Low risk (n = 131) | Intermediate risk (n = 150) | High risk (n = 104) | p |
|---|---|---|---|---|---|
| Mortality | 56 (14.5) | 5 (3.8) | 15 (10) | 26 (25) | < 0.001* |
| Morbidity | 81 (21) | 18 (13.7) | 31 (20.7) | 32 (30.8) | 0.004* |
| CVA | 1 (0.3) | 1 (0.8) | 0 | 0 | 0.61 |
| Atrial fibrillation | 30 (7.8) | 6 (4.6) | 15 (10) | 9 (8.7) | 0.22 |
| RRT | 15 (3.9) | 4 (3.1) | 2 (1.3) | 9 (8.7) | 0.003* |
| Pneumonia | 12 (3.1) | 4 (3.1) | 3 (2) | 5 (4.8) | 0.46 |
| Reoperation x Bleeding | 17 (4.4) | 5(3.8) | 4 (2.7) | 8 (7.7) | 0.15 |
| OTI>24h | 22 (5.7) | 3 (2.3) | 9 (6) | 10 (9.6) | 0.055 |
| Time of ICU | 8.3 ± 10.1 days | 5.6 ± 5.9 days | 8.1 ± 10.4 days | 11.9 ± 12.6 days | < 0.001‡ |
| Hospital length of stay | 25 ± 17days | 21 ± 13.2days | 25 ± 13.25 days | 29 ± 16.3days | < 0.001† |
*
Significant difference between low / intermediate risk and high risk groups.
†
Significant difference between the low risk and intermediate / high risk groups.
‡
Significant difference between all risk groups. CVA: cerebrovascular accident; RRT: renal replacement therapy; OTI: orotracheal intubation; ICU: intensive care unit.