Table 4.
Information on chronic pain collected at 12 months after surgery (n [%] or mean ± SD).
| TEAS group (n = 55) | Sham-TEAS group (n = 55) | P-value | |
|---|---|---|---|
| Postoperative pain duration >2 months | 8 (14.5%) | 18 (32.7%) | 0.025 |
| Pain duration (month) | 1.68 ± 1.52 | 3.46 ± 3.94 | 0.043a |
| Current Pain | 4 (7.3%) | 13 (23.6%) | 0.018 |
| The maximum score of postoperative pain | 7.00 ± 1.14 | 7.31 ± 1.09 | 0.11a |
| Movement disorders on the shoulder or arm of the operation side | 1 (1.8%) | 1 (1.8%) | 1.00 |
| Movement disorders in daily washing activities | 0 | 1 (1.8%) | 1.00 |
| See a doctor for the pain | 0 | 1 (1.8%) | 1.00 |
a
Indicates Mann-Whitney U test.