Table 6.
Risk of death estimated by univariate and multivariate analysis using categorical data in the present study.
| Variables | Alive discharge (n = 216) | Mortality discharge (n = 14) | Crude odds ratio (95% CI) |
Adjusted odds ratio (95% CI) |
|---|---|---|---|---|
| Age at operation; n (%) | ||||
| <30 days | 7 (87.5) | 1 (12.5) | 1 | |
| >30 days | 209 (94.1) | 13 (5.9) | 0.4 (0.1–3.8) | |
| RACHS-1 level; n (%) | ||||
| 1–3 | 210 (95.0) | 11 (5.0) | 1 | 1 |
| 4–6 | 6 (66.7) | 3 (33.3) | 9.5 (2.1–43.3) | 10.0 (1.6–62.0)* |
| ABC level; n (%) | ||||
| 1-2 | 127 (98.5) | 2 (1.5) | 1 | |
| 3-4 | 89 (88.1) | 12 (11.9) | 8.5 (1.9–39.1) | |
| STS-EACTS mortality category | ||||
| 1-2 | 149 | 5 | 1 | |
| 3–5 | 67 | 9 | 4.1 (1.2–12.3) | |
| Bypass time (min.); n (%) | ||||
| ≤85 | 125 (99.2) | 1 (0.8) | 1 | |
| >85 | 82 (86.3) | 13 (13.7) | 19.8 (2.5–154.4) | |
| Cross clamp time (min.); n (%) | ||||
| ≤60 | 154 (97.5) | 4 (2.5) | 1 | |
| >60 | 49 (86.0) | 8 (14.0) | 6.3 (1.8–21.8) |
*P value = .013, **P-value = .001.