Table 4 Multivariable Cox regression analysis of variables influencing survival in all patients and in the sub-group of patients with 3-vessel disease and at least two arterial grafts
From: How decisive is the number of distal arterial anastomoses in coronary bypass surgery?
| All Patients | Sub-group | |||
|---|---|---|---|---|
| Predictor | HR (95% CI) | P Value | HR (95% CI) | P Value |
| Preoperative | ||||
| Age | 1.076 (1.069–1.082) | 0.0001 | 1.079 (1.071–1.088) | 0.0001 |
| Male gender | 0.836 (0.730–0.958) | 0.010 | 0.870 (0.723–1.048) | 0.339 |
| Heart Failure NYHA ≥ 2 | 1.140 (1.074–1.209) | 0.0001 | 1.194 (1.101–1.296) | 0.0001 |
| Diabetes | 1.536 (1.331–1.774) | 0.0001 | 1.634 (1.370–1.949) | 0.0001 |
| LV ejection fraction | 0.981 (0.977–0.985) | 0.0001 | 0.978 (0.973–0.983) | 0.0001 |
| Intraoperative | ||||
| Complete revascularization | 0.929 (0.840–1.028) | 0.154 | 0.936 (0.822–1.065) | 0.314 |
| Number arterial anastomoses | 0.899 (0.828–0.975) | 0.011 | 0.878 (0.793–0.973) | 0.013 |
| Number arterial grafts | 1.039 (0.924–1.169) | 0.522 | 1.136 (0.965–1.336) | 0.126 |
| Other dependent covariates | ||||
| Sequential ITA | 0.879 (0.784–0.987) | 0.029 | 0.832 (0.737–0.939) | 0.003 |
| Both ITA | 0.951 (0.818–1.105) | 0.512 | 1.103 (0.824–1.477) | 0.510 |
| GEA Graft | 0.982 (0.819–1.179) | 0.849 | 0.978 (0.850–1.126) | 0.759 |