Fig. 2From: Laser therapy versus pulsed electromagnetic field therapy as treatment modalities for early knee osteoarthritis: a randomized controlled trialComparison of the mean delta values of all outcome measures between the two groups. PEMFT, pulse electromagnetic field; LLLT, low-level laser therapy; VAS, visual analog scale; WOMAC, Western Ontario and McMaster Universities Osteoarthritis index; TUG, timed up-and-go test; 10 MW, 10-m walk testBack to article page