2.
比较2组术中情况和术后疼痛评分情况。
Comparison of the two groups with intraoperative statue and postoperative pain evaluation
| Variables | Single port (n=131) | Triple port (n=101) | F/Z/χ2 | P value |
| NRS:numeric rating scale. | ||||
| Operative time (min) | 195.78±67.52 | 193.55±80.23 | 0.05 | 0.819 |
| Blood loss (mL) | 101.56±35.99 | 102.33±38.75 | 2.00 | 0.877 |
| Hospital-stay postoperative (d) | 8.03±4.97 | 8.26±4.86 | 0.15 | 0.694 |
| Duration of chest tube (d) | 3.81±1.11 | 4.02±1.22 | 1.93 | 0.166 |
| Acute pain (NRS) | ||||
| 1th day | 4.19±1.47 | 5.16±1.77 | 4.29 | 0.000 |
| 2th day | 3.55±1.76 | 4.04±2.02 | 4.06 | 0.045 |
| 3th day | 3.22±1.63 | 3.09±1.12 | 0.25 | 0.803 |
| 7th day | 2.25±1.53 | 2.66±1.47 | 4.28 | 0.039 |
| 14th day | 1.88±1.40 | 2.43±1.47 | 8.36 | 0.004 |
| Chronic pain (NRS) | ||||
| 3 month | 19.59 | 0.000 | ||
| No | 97 (67.83%) | 46 (32.17%) | ||
| Yes | 34 (38.20%) | 55 (61.80%) | ||
| 6 month | 13.02 | 0.000 | ||
| No | 113 (62.78%) | 67 (37.22%) | ||
| Yes | 18 (34.62%) | 34 (65.38%) | ||