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住院时间及术后并发症情况
LOS and PPCs
| PPR group | CS group | Test value | P | |
| LOS: Length of stay; PPCs: postoperative pulmonary complications. | ||||
| LOS (Mean±SD) | ||||
| Total (d) | 17.23±4.18 | 14.41±4.03 | t=3.388 | 0.001 |
| Preoperative (d) | 8.30±2.22 | 4.79±1.69 | t=8.941 | 0.000 |
| Postoperative (d) | 8.93±3.78 | 9.62±3.98 | t=0.871 | 0.386 |
| PPCs | ||||
| Delayed tracheal extubation | 3 (7.0%) | 5 (8.6%) | χ2=0.091 | 0.762 |
| Pneumonia | 8 (18.6%) | 17 (29.3%) | χ2=1.519 | 0.218 |
| Atelectasis | 1 (2.3%) | 1 (1.7%) | χ2=0.046 | 0.830 |
| Respiratory failure | 1 (2.3%) | 2 (3.4%) | χ2=0.108 | 0.742 |
