Observation group | Control group | P values | |
---|---|---|---|
Cardiopulmonary bypass time (min) | 68±19 | 64±27 | >0.05 |
Aortic cross clamp time (min) | 39±10 | 40±15 | >0.05 |
Mechanical ventilation time (h) | 48±23 | 62±35 | >0.05 |
ICU residence time (d) | 5.5±2.2 | 8.5±5.0 | <0.05 |
Pleural effusion (No / small / medium / large)** | 42/8/1/2 | 27/17/5/1 | <0.05 |