Table 3

Adverse events*†

Elderly (n=92)Non-elderly (n=292)
EA-related adverse events
 Overall2 (2.17)4 (1.37)
 Fatigue0 (0.00)2 (0.68)
 Unbearable pain1 (1.09)0 (0.00)
 Haematoma1 (1.09)2 (0.68)
EA-unrelated adverse events
 Overall27 (29.35)45 (15.41)
 Upperrespiratory infection2 (2.17)12 (4.11)
 Pneumonia1 (1.09)0 (0.00)
 Cold18 (19.57)24 (8.22)
 Pharyngitis0 (0.00)1 (0.34)
 Chronic bronchitis2 (2.17)0 (0.00)
 Cough0 (0.00)1 (0.34)
 Dizziness1 (1.09)1 (0.34)
 Headache0 (0.00)1 (0.34)
 Herpes zoster0 (0.00)1 (0.34)
 Diarrhoea1 (1.09)1 (0.34)
 Facial oedema0 (0.00)1 (0.34)
 Urinary tract infection1 (1.09)0 (0.00)
 Uterine fibroids0 (0.00)1 (0.34)
 Knee osteoarthritis1 (1.09)0 (0.00)
 Others0 (0.00)1 (0.34)
  • *Adverse events were analysed for all patients who received treatment and were counted by type rather than frequency in the same patient. Adverse events of different types occurring in a single patient were defined as independent adverse events. A single adverse events type with multiple occurrences in a single patient was defined as one adverse event.

  • †Data are reported as no (%) unless otherwise indicated.

  • EA, electroacupuncture.