Fig. 2From: Effects of magnesium sulfate on periarticular infiltration analgesia in total knee arthroplasty: a prospective, double-blind, randomized controlled trialPostoperative VAS pain scores of the two groups presented as mean and standard deviation. A Pain scores at rest. B Pain scores during motion. * indicates a statistical difference (p < 0.05) between the two groups. VAS visual analogue scaleBack to article page