| Group | n | Evaluations | |||||||||
| Initial | 2nd | 3rd | 4th | Final | |||||||
| Acupuncture | 20 | 6.3 | (3.0) | 3.9 | (2.5) | 2.1 | (2.7) | 1.8 | (2.2) | 1.2 | (1.9) |
| Control | 16 | 5.6 | (2.8) | 3.8 | (3.3) | 4.6 | (3.5) | 4.3 | (4.0) | 4.7 | (3.8) |
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All scores are in means of NRS (SD); p value (differences of NRS) = 0.001
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NRS, numerical rating scale; SD, standard deviation









