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