Table 1 Baseline and operative characteristics of the entire cohort
Group ONBEAT (n = 88) | Group OFF (n = 128) | p | |
|---|---|---|---|
Preoperation | |||
Age (years) | 66.0 ± 7.9 | 65.2 ± 8.2 | 0.509 |
Older age (age >65 years) | 54 (61.4%) | 75 (58.6%) | 0.778 |
Gender (Female) | 18 (20.5%) | 27 (21.1%) | 1.000 |
Recent smoking | 17 (19.3%) | 21 (16.4%) | 0.859 |
COPD | 11 (12.5%) | 17 (13.3%) | 1.000 |
Hypertension | 48 (54.5%) | 73 (57.0%) | 0.781 |
Diabetes | 33 (37.5%) | 31 (24.2%) | 0.048 |
Hyperlipemia | 13 (14.8%) | 19 (14.8%) | 1.000 |
Chronic renal dysfunction | 2 (2.3%) | 5 (3.9%) | 0.703 |
Prior CVA | 7 (8.0%) | 17 (13.3%) | 0.274 |
History of PCI | 16 (18.2%) | 24 (18.8%) | 1.000 |
Recent MI | 22 (25.0%) | 28 (21.9%) | 0.625 |
Congestive heart failure | 25 (28.4%) | 38 (29.7%) | 0.879 |
Extent of CAD | |||
2 vessel | 4 (4.5%) | 12 (9.4%) | 0.290 |
3 vessel | 84 (95.5%) | 116 (90.6%) | |
LM | 26 (29.5%) | 33 (25.8%) | 0.641 |
LVEF (%) | 31.0 ± 2.8 | 31.0 ± 2.9 | 0.930 |
LVEDD (mm) | 66.8 ± 6.0 | 64.7 ± 5.9 | 0.013 |
Enlarged left ventricles (LVEDD > 65 mm) | 50 (56.8%) | 51 (39.8%) | 0.018 |
Prophylactic IABP support | 0 | 18 (14.1%) | <0.001 |
Euro-SCORE >6.0 | 44 (50.0%) | 61 (47.7%) | 0.782 |
Intra-operation | |||
Number of grafts | 3.7 ± 0.8 | 2.8 ± 0.6 | <0.001 |
CPB time (min) | 83.7 ± 7.7 | 0 | <0.001 |
Urgent switch to on-pump | 0 | 5 (3.9%) | 0.081 |