| 组别 | NRS | 疼痛程度 | ||
| 很痛 | 有些痛 | 不痛 | ||
| 镇静组 (A组) | 1.00 (0.00~1.00) | 6.7% | 20% | 73.3% |
| 局麻组 (B组) | 4.50 (3.00~5.00) | 38% | 52% | 10% |
| Z/c2 | −9.461 | 50.646 | ||
| P | 0.000 | 0.000 | ||