表 2.
两组病例术后临床资料比较
Comparison of perioperative outcomes of the included patients
| Characteristics | Group A (n=106) | Group B (n=183) | χ2 /t | P |
| a1st: The cumulative thoracic drainage within 1 d after operation; 2nd: The cumulative thoracic drainage within 2 d after operation; 3rd: The cumulative thoracic drainage within 3 d after operation; 4th: The cumulative thoracic drainage within 4 d after operation; bPostoperative pain scores were performed using visual analogue scale (VAS), and the nurses evaluated VAS every 8 h after surgery. VAS1: VAS of the first 8 h after surgery; VAS2: VAS of the second 8 h after surgery; VAS3: VAS of the third 8 h after surgery. | ||||
| Accumulative thoracic drainage (mL)a | ||||
| 1st | 199.54±126.56 | 203.59±139.32 | -0.20 | 0.84 |
| 2nd | 340.30±205.47 | 349.74±230.92 | -0.31 | 0.76 |
| 3rd | 435.19±311.51 | 451.37±317.03 | -0.38 | 0.70 |
| 4th | 492.58±377.33 | 512.57±382.94 | -0.40 | 0.69 |
| Total | 604.57±547.24 | 614.64±546.08 | -0.15 | 0.88 |
| Drainage time (d) | ||||
| Upper chest tube | 2.54±2.20 | 3.40±2.07 | 1.25 | 0.21 |
| Lower chest tube | 2.24±2.43 | 3.82±2.12 | -1.67 | 0.10 |
| Postoperative VASb | ||||
| VAS1 | 3.00±0.24 | 2.99±0.15 | 0.48 | 0.63 |
| VAS2 | 2.28±0.63 | 2.92±0.59 | -8.70 | 0.00 |
| VAS3 | 2.50±1.58 | 2.79±1.53 | -2.28 | 0.02 |
| Additional analgesics (times) | 27 | 70 | 4.92 | 0.03 |
| Replacement of the chest tube (times) | ||||
| Upper chest tube | 0 | 8 | 4.77 | 0.03 |
| Lower chest tube | 1 | 4 | 0.61 | 0.66 |
| Poor wound healing | 0 | 6 | 3.55 | 0.09 |
| Postoperative hospital stays (d) | 6.87±3.17 | 7.06±3.21 | -0.48 | 0.63 |