表 5. 各组VAS评分比较.
Tab 5 Comparison of VAS in every group
| 疼痛分级 | G1组 | G2组 | G3组 | G4组 | G5组 | G6组 |
| 轻度 | 7 | 8 | 10 | 9 | 9 | 8 |
| 中度 | 3 | 2 | 0 | 1 | 1 | 2 |
| 重度 | 0 | 0 | 0 | 0 | 0 | 0 |
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