Journal of Rehabilitation Medicine 51-11 | Page 11

825 Pulsed electromagnetic field therapy for knee osteoarthritis Fig. 2. Forest plots comparing pulsed electromagnetic field (PEMF) therapy with placebo for patients with knee osteoarthritis (OA). (A) Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) total score. (B) WOMAC pain score. (C) Visual analogue scale (VAS) pain score. (D) WOMAC stiffness score. (E) WOMAC physical function score. Fig. 3. Forest plot of visual analogue scale (VAS) Pain score after exclusion of data from Ay & Evcik (18). J Rehabil Med 51, 2019