无痛

轻微疼痛

中度疼痛

重度疼痛

总发生数

对照组(n = 30)

18 (60%)

8 (26.7%)

3 (10%)

1 (3.3%)

12 (40%)

治疗组(n = 30)

24 (80%)

5 (16.7%)

1 (3.3%)

0 (0%)

6 (20%)