Key clinical point: At week 8, 60.3% of patients who received electroacupuncture showed clinical improvement in pain and function.

Major finding: The response rates at 8 weeks were 60.3%, 58.6%, and 47.3% for the electroacupuncture, manual acupuncture, and sham acupuncture groups, respectively.

Study details: The data come from a multicenter, randomized, sham-controlled trial of 442 knee OA patients who received acupuncture or sham acupuncture three times a week for 8 weeks.

Disclosures: The study was funded by Beijing Municipal Science & Technology Commission and Beijing Municipal Administration of Hospitals. The researchers had no financial conflicts to disclose.