Table 3.

Adverse Events during treatment in the SA and EA group

	Sham acupuncture (SA) n = 27	Electro-acupuncture (EA) n = 30	p value
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	–