Table 1 Patient demographics and preoperative risk profile for both groups
From: Influence of coronary territory on flow profiles of saphenous vein grafts
Variable | Study population |
|---|---|
Total patients | 207 (100%) |
Age (yrs) | 67 ± 8 |
Male | 176 (85%) |
Body Mass Index (kg/m2) | 28.7 ± 4.0 |
Diabetes mellitus | |
Insulin dependent | 9 (4%) |
Noninsulin dependent | 61 (29%) |
No history of diabetes | 137 (66%) |
Chronic obstructive pulmonary disease | 24 (12%) |
Peripheral vascular disease | 22 (11%) |
New York Heart Association class | |
0 | 2 (1%) |
I | 48 (23%) |
II | 115 (56%) |
III | 40 (19%) |
IV | 2 (1%) |
Canadian Cardiovascular Society class | |
0 | 13 (6%) |
I | 19 (9%) |
II | 132 (64%) |
III | 32 (15%) |
IV | 11 (5%) |
Left ventricular ejection fraction (%) | 58 ± 7 |
By-pass time (min) | 96.1 ± 26.0 |
Cross-clamp time (min) | 66.8 ± 20.8 |
Surgeon | |
”DT” | 176 (85%) |
"GK” | 31 (15%) |
Total grafts and territory | 542 (100%) |
Venous | 301 (56%) |
Left territory | 167 (31%) |
Right territory | 134 (25%) |