Table 3 Adverse Events during treatment in the SA and EA group

AEs related to acupuncture, no. (%)

 Serious AEs

0 (0.0%)

0 (0.0%)

–

 Subcutaneous Hematoma

3 (11.1%)

1 (3.3%)

0.251

 Post-needling pain

0 (0.0%)

1 (3.3%)

0.399

AEs of unrelated to acupuncture, no. (%)

 Cold and cough

6 (22.2%)

6 (20.0%)

0.837

 Dental ulcer

1 (3.7%)

0 (0.0%)

0.288

 Toothache

1 (3.7%)

0 (0.0%)

0.288

 Headache

1 (3.7%)

1 (3.3%)

0.940

 Insomnia

2 (7.4%)

0 (0.0%)

0.129

 Stomached

0 (0.0%)

2 (6.7%)

0.172

 Diarrhea

2 (7.4%)

0 (0.0%)

0.129

 Constipation

0 (0.0%)

1 (3.3%)

0.399

 U-arthritis

0 (0.0%)

1 (3.3%)

0.399

 Paramenia

1 (3.7%)

0 (0.0%)

0.288

 Shingles

1 (3.7%)

0 (0.0%)

0.288

Total number of AEs, no. (%)

18

13

–