Research Article
Acupuncture at the P6 Acupoint to Prevent Postoperative Pain after Craniotomy: A Randomized, Placebo-Controlled Study
Table 3
Postoperative analgesic drug (tramadol) use over time.
| | Acupuncture group (N = 58) | Sham acupuncture group (N = 59) | values |
| The use of tramadol 0–24 h after operation | | | 0.977 | No (%) | 53 (91.4) | 54 (91.5) | | Yes (%) | 5 (8.6) | 5 (8.5) | |
| The use of tramadol 24–48 h after operation | | | 0.623 | No (%) | 57 (98.3) | 56 (94.9) | | Yes (%) | 1 (1.7) | 3 (5.1) | |
| The use of tramadol 48–72 h after operation | | | 1.000 | No (%) | 58 (100) | 58 (98.3) | | Yes (%) | 0 (0) | 1 (1.7) | |
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