Table 3.

Effect of ACE I/D polymorphism on progression of atherosclerosis in vein grafts of the studied patients.

ACE I/D polymorphism	II	ID	DD	P
Adjusted Gensini score, Mean (± SD)	0.18±0.12	0.11+0.09	0.1+0.09	0.02*
Number of occluded vein grafts, Median (Range)	1 (0-4)	1 (0-3)	1 (0-4)	0.64**
Number of diseased vein grafts, Median (Range)	0 (0-2)	1 (0-2)	0.5 (0-3)	0.84**
Number of free of atherosclerosis vein grafts, Median (Range)	0 (0-2)	1 (0-3)	1 (0-4)	0.27**
Number of vein grafts, Median (Range)	2 (1-4)	2 (1-5)	3 (1-5)	0.41**
Months post CABG, Mean (± SD)	1 12.07±32.46	135.02±38.33	121.04±38.67	0.06*
Number of CHD risk factors, Median (Range)	2 (1-4)	3 (0-5)	2.5 (1-4)	0.58**

ACE=angiotensin converting enzyme, CABG=coronary artery bypass graft surgery

^*One-wayAnova test,

^**Kruskal-Wallis test