Table 1 Preoperative parameters in groups
From: Coronary by-pass for bad ventricle; adoption of "hybrid-pump" bypass
Groups | A | B | |
|---|---|---|---|
Hybrid-pump (n:54) | On-pump (n:55) | p | |
Age (years) | 64 ± 1.4 | 67 ± 2.1 | 0.327 |
Gender (% male) | 70 | 76 | 0.124 |
Reoperations (%) | 5.5 | 3.6 | 0.098 |
Diabetes (%) | 40 | 43 | 0.364 |
Hypertension (%) | 53 | 58 | 0.213 |
Preoperative EF (%) | 24 ± 3.4 | 26 ± 3.6 | 0.432 |
Angina pect (%) | 68 | 69 | 0.743 |
Heart failure(%) | 70 | 65 | 0.182 |
Renal failure (%) | 16 | 18 | 0.464 |
COPD (%) | 31 | 29 | 0.376 |