2.
患者临床特征
Clinical characteristics
| Intervention group | Control group | P value | |
| PEF: peak expiratory flow; 6-MMD: 6-min moving distance; VATS: video-assisted thoracic surgery. | |||
| Surgical approach | 0.540 | ||
| VATS | 17 (70.8%) | 15 (62.5%) | |
| Open | 7 (29.2%) | 9 (37.5%) | |
| Resection type | 0.366 | ||
| Segmental or wedge | 12 (50.0%) | 8 (33.3%) | |
| Lobectomy | 8 (33.3%) | 13 (54.2%) | |
| Combined lobectomy | 3 (12.5%) | 2 (8.3%) | |
| Other | 1 (4.2%) | 1 (4.2%) | |
| Length of stay | |||
| Total (d) | 14.04±3.20 | 15.75±3.22 | 0.072 |
| Preoperative (d) | 8.25±1.39 | 7.67±3.37 | 0.439 |
| Postoperative (d) | 6.17±2.91 | 8.08±2.21 | 0.013 |
| In-hospital expense | |||
| Total cost (¥) | 46, 455.6±5, 080.9 | 45, 536.0±4, 195.8 | 0.498 |
| Drug cost (¥) | 7, 760.3±2, 366.0 | 6, 993.0±2, 022.5 | 0.223 |
| Material (¥) | 21, 155.5±10, 512.1 | 21, 488.8±3, 470.6 | 0.883 |
| Duration of antibiotic use (d) | 3.61±2.53 | 5.36±3.12 | 0.032 |