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两组间PPCs发生率的比较
Comparison of PPCs between groups
| Intervention group | Control group | P value | |
| PPCs: postoperative pulmonary complications; ADRS: acute respiratory distress syndrome. | |||
| Total | 2 (8.3%) | 5 (20.8%) | 0.416 |
| Pneumonia | 2 (8.3%) | 2 (8.3%) | |
| Atelectasis | 1 (4.2%) | 1 (4.2%) | |
| Pulmonary embolism | 0 (0) | 1 (4.2%) | |
| Respiratory/heart failure or ADRS | 0 (0) | 1 (4.2%) | |
| Air leak | 1 (4.2%) | 2 (8.3%) | |
