Table 4: Variables potentially influencing the survival in matched cohort of patients. Comparison of Kaplan-Meir survival curves with log-rang test.
Variable |
Chi-square (Mantel-Cox) |
df |
P Value |
Preoperative |
|
|
|
Age |
195.047 |
48 |
< 0.001 |
Male gender |
1.049 |
1 |
0.306 |
Heart Failure NYHA class |
30.056 |
4 |
< 0.001 |
Diabetes |
9.761 |
1 |
0.002 |
Left Main |
0.689 |
1 |
0.407 |
3-vessel disease |
15.991 |
1 |
< 0.001 |
LV ejection fraction |
184.789 |
60 |
< 0.001 |
Intraoperative |
|
|
|
Number distal anastomoses |
5.659 |
3 |
0.129 |
Complete revascularization |
1.406 |
1 |
0.236 |
Associated vein |
1.604 |
1 |
0.205 |
Sequential ITA |
5.069 |
1 |
0.03 |
Df: Degree Of Freedom; NYHA: New York Heart Association; LV: Left Ventricular; ITA: Internal Thoracic Artery