Table 1 Comparing pre- and intra-operative characteristics among patients undergoing CABG with TAG and with LIMA+SVG.
Variable | TAG n (%) | LIMA+SVG n (%) | p-value | |
|---|---|---|---|---|
Age | 60.2 ± 9.7 yrs | 65.8 ± 9.8 yrs | < 0.0001 | |
Female sex | 205 (20) | 995 (27) | < 0.0001 | |
Smoking history | 732 (72) | 2565 (70) | 0.20 | |
Diabetes | 347 (34) | 1360 (37) | 0.08 | |
Hypercholesterolemia | 902 (88) | 2703 (74) | < 0.0001 | |
Pre-op renal failure | 16 (2) | 218 (6) | < 0.0001 | |
Hypertension | 629 (62) | 2368 (64) | 0.12 | |
Peripheral vascular disease | 138 (14) | 623 (17) | 0.009 | |
Cerebrovascular disease | 84 (8) | 525 (14) | < 0.0001 | |
Ejection fraction | > 50 | 831 (82) | 2711 (76) | < 0.0001 |
30–50 | 168 (16) | 706 (19) | ||
< 30 | 20 (2) | 197 (5) | ||
Recent MI < 7d | 36 (4) | 208 (6) | 0.007 | |
Pre-op IABP | 27 (3) | 182 (5) | 0.002 | |
CHF | 77 (8) | 539 (15) | < 0.0001 | |
COPD | 120 (12) | 429 (14) | 0.033 | |
Urgent (< 24 hours) | Elective | 615 (60) | 1811 (49) | < 0.0001 |
IHU | 331 (32) | 1421 (39) | ||
Urgent | 73 (7) | 445 (12) | ||
Prior PCI | 126 (12) | 366 (10) | 0.026 | |
Left-main/triple-vessel disease | 789 (77) | 3145 (86) | < 0.0001 | |
Number of bypasses | 3.1+0.9 grafts | 3.2+0.8 grafts | < 0.0001 |