| 临床特征 | 观察组 | 对照组 | t | p |
| 手术时间[min, M(P25, P75)] | 89.6 (62.8, 115.8) | 57.9 (40.0, 80.0) | −5.200 | 0.000 |
| 切口总长度[cm, M(P25, P75)] | 16.4 (14.0, 18.0) | 11.1 (5.0, 15.0) | −4.531 | 0.000 |
| 病程[年，M(P25, P75)] | 13.0 (10.0, 16.0) | 7.7 (4.0, 10.0) | −4.884 | 0.000 |
| 应用抗生素n (%) |
|
| 1.347 | 0.246 |
| 是 | 18 (47.4%) | 24 (35.8%) |
|
|
| 否 | 20 (52.6%) | 43 (64.2%) |
|
|
| 术中碳酸氢钠浸泡n (%) |
|
| 11.561 | 0.001 |
| 是 | 8 (21.1%) | 37 (55.2%) |
|
|
| 否 | 30 (78.9%) | 30 (44.8%) |
|
|
| 秋水仙碱应用n (%) |
|
| 16.850 | 0.000 |
| 是 | 8 (21.1%) | 42 (62.7%) |
|
|
| 否 | 30 (78.9%) | 25 (37.3%) |
|
|