Table 1.
Baseline comparison of propensity-matched groups
| OPCAB (n = 531) | OP-BH n = 531) | ||
|---|---|---|---|
| no(%) | no(%) | p-value | |
| Age* | 58.9 ± 8.4 | 58.66 ± 8.4 | 0.955 |
| Female | 56 (10.55%) | 66 (12.43%) | 0.387 |
| Body mass index* | 23.9 ± 3.5 | 24 ± 3.9 | 0.855 |
| EuroSCORE* | 3.42 ± 2.32 | 3.36 ± 2.37 | 0.45 |
| Left main disease | 64 (12.05%) | 75 (14.12%) | 0.363 |
| Triple vessel disease | 439 (82.67%) | 437 (82.30%) | 0.936 |
| Double vessel disease | 75 (14.12%) | 77 (14.5%) | 0.93 |
| Single vessel disease | 13 (2.45%) | 10 (1.88%) | 0.67 |
| LVEF<40% | 171 (32.2%) | 161 (30.32%) | 0.551 |
| Carotid artery stenosis | 58 (10.92%) | 63 (11.86%) | 0.69 |
| Pre-op CVA | 6 (1.13%) | 10 (1.88%) | 0.451 |
| Pre-op renal impairment | 31 (5.84%) | 40 (7.53%) | 0.326 |
| Hypothyroid | 23 (4.33%) | 31 (5.84%) | 0.328 |
| COPD | 47 (8.85%) | 48 (9.04%) | 1 |
| Smoker | 124 (23.35%) | 141 (26.55%) | 0.257 |
| Hypertension | 357 (67.23%) | 381 (71.75%) | 0.125 |
| PVD | 22 (4.14%) | 32 (6.03%) | 0.208 |
| Recent MI | 112 (21.09%) | 102 (19.21%) | 0.491 |
* expressed as mean ± sd. CVA cerebro-vascular accident, COPD chronic obstructive pulmonary disease, PVD peripheral vascular disease, MI myocardial infarction, LVEF left ventricular ejection fraction