Table 2 Outcome variables in the two groups
From: Minimally invasive cardiopulmonary bypass: does it really change the outcome?
Variable | Control group | MICPB group | P value | |
|---|---|---|---|---|
n = 1,663 | n = 1,663 | |||
Mechanical ventilation time (hours) | 20.2 ± 79 | 17.3 ± 38 | NS | |
ICU stay (days) | 2.9 ± 4.3 | 2.5 ± 3.1 | 0.001 | |
Postoperative hospital stay (days) | 8.4 ± 5.9 | 8.1 ± 6.2 | NS | |
Peak serum creatinine level (mg/dl) | 1.43 ± 0.7 | 1.24 ± 1 | 0.001 | |
Peak serum bilirubin level (mg/dl) | 1.07 ± 0.79 | 0.89 ± 0.71 | 0.001 | |
Bleeding (ml/12 hours) | 505 ± 396 | 458 ± 342 | 0.001 | |
Variable | Count (percentage) | Count (percentage) | RR and 95% CI | P value |
Early extubation | 139 (8.3) | 197 (11.8) | 1.47 (1.17–1.85) | 0.001 |
Early ICU discharge | 307 (18.4) | 556 (33.4) | 2.21 (1.89–2.6) | 0.001 |
Early hospital discharge | 187 (11.2) | 316 (19) | 1.85 (1.52–2.25) | 0.001 |
Homologous blood transfusions | 751 (45.1) | 764 (45.9) | 1.03 (0.9–1.18) | NS |
Surgical reoperation | 79 (4.7) | 64 (3.8) | 0.8 (0.57–1.12) | NS |
Myocardial infarction | 58 (3.5) | 47 (2.8) | 0.8 (0.54–1.19) | NS |
Major inotropic support | 177 (10.6) | 170 (10) | 0.95 (0.76–1.19) | NS |
Intra-aortic balloon pump | 49 (2.9) | 28 (1.7) | 0.56 (0.35–0.9) | 0.015 |
Atrial fibrillation | 293 (17.6) | 251 (15.1) | 0.83 (0.69–0.99) | 0.049 |
Ventricular arrhythmias | 59 (3.5) | 26 (1.5) | 0.43 (0.27–0.69) | 0.001 |
Cardiac arrest | 19 (1.1) | 3 (0.2) | 0.15 (0.04–0.53) | 0.001 |
Acute renal failure | 39 (2.3) | 38 (2.3) | 0.97 (0.62–1.53) | NS |
Stroke | 10 (0.6) | 14 (0.8) | 1.4 (0.62–3.16) | NS |
Peripheral thromboembolism | 6 (0.4) | 0 (0) | - | 0.014 |
Severe lung dysfunction | 22 (1.3) | 14 (0.8) | 0.63 (0.32–1.24) | NS |
Sepsis | 10 (0.6) | 14 (0.8) | 1.4 (0.62–3.16) | NS |
Hospital mortality | 55 (3.3) | 50 (3) | 0.9 (0.61–1.33) | NS |