Table 5: Multivariate Cox regression analysis of variables influencing survival in the 668 matched patients (Chi-square 204,030; df 11; p = 0.0001).
Predictor |
RC |
HR (95 % CI) |
P Value |
Preoperative |
|||
Age |
1.077 |
1.063-1.091 |
0.001 |
Male gender |
0.912 |
0.683-1.219 |
0.536 |
Heart Failure NYHA ≥ 2 |
1.157 |
1.002-1.335 |
0.047 |
Diabetes |
1.315 |
0.975-1.775 |
0.073 |
3-vessel disease |
1.306 |
0.887-1.923 |
0.177 |
Left Main |
1.196 |
0.905-1.580 |
0.208 |
LV ejection fraction |
0.977 |
0.967-0.986 |
0.001 |
Intraoperative |
|||
Complete revascularization |
0.83 |
0.589-1.170 |
0.287 |
Sequential ITA |
0.628 |
0.424-0.931 |
0.021 |
Associated vein |
0.683 |
0.417-1.118 |
0.129 |
Number of distal anastomoses |
1.236 |
0.779-1959 |
0.369 |
RC: Regression Coefficient; HR: Hazard Ratio; CI: Confidence Interval; NYHA: New York Heart Association; LV: Left Ventricular; ITA: Internal Thoracic Artery