Table 3.
Multivariable Predictors of Long‐Term Mortality After CABG
| Variable | Main Model | Cluster by Site | Completeness of Revascularization Added |
|---|---|---|---|
| Frailty | 1.63 (1.53–1.74) | 1.63 (1.53–1.74) | 1.63 (1.53–1.74) |
| Age group, y | |||
| 40–64 | Reference | Reference | Reference |
| 65–74 | 1.92 (1.77–2.07) | 1.9 (1.75–2.05) | 1.89 (1.75–2.05) |
| 75–84 | 3.73 (3.45–4.03) | 3.69 (3.41–3.99) | 3.63 (3.36–3.93) |
| ≥85 | 6.22 (5.34–7.25) | 6.05 (5.19–7.05) | 5.91 (5.06–6.9) |
| Sex (reference=male) | 1.04 (0.97–1.11) | 1.04 (0.97–1.11) | 1.04 (0.97–1.11) |
| Income quintile | |||
| 1 (Lowest) | 1.43 (1.3–1.57) | 1.41 (1.28–1.55) | 1.44 (1.31–1.59) |
| 2 | 1.27 (1.16–1.4) | 1.26 (1.14–1.39) | 1.27 (1.16–1.4) |
| 3 | 1.13 (1.03–1.25) | 1.13 (1.02–1.24) | 1.14 (1.04–1.26) |
| 4 | 1.12 (1.01–1.23) | 1.12 (1.01–1.23) | 1.12 (1.02–1.24) |
| 5 (Highest) | Reference | Reference | Reference |
| Missing | 1.42 (0.94–2.15) | 1.39 (0.92–2.1) | 1.41 (0.93–2.14) |
| Emergent surgery | 1.7 (1.54–1.87) | 1.7 (1.55–1.88) | 1.66 (1.51–1.83) |
| Incomplete revascularization | ··· | ··· | 1.28 (1.2–1.36) |
Data are given as hazard ratio (95% confidence interval). CABG indicates coronary artery bypass grafting.