Shuci method of electroacupuncture improves self-perception and quality of life in patients with knee osteoarthritis: a multicenter randomized controlled trial.

Knee osteoarthritis (KOA) is a common chronic disease characterized by degenerative damage and disability of the knee joint. Current treatment options for KOA have considerable limitations. The Shuci theory for treating KOA within the traditional Chinese acupuncture medical system has evolved into a