Fig. 4From: Economic evaluation of telephone-based weight loss support for patients with knee osteoarthritis: a randomised controlled trialSecondary analysis (healthcare perspective): Cost-effectiveness planes indicating the uncertainty around the incremental cost-effectiveness ratios (a) and cost-effectiveness acceptability curves (b) indicating the probability of cost-effectiveness for different values ($) of willingness-to-pay per unit of effect gained from the healthcare perspective for QALYBack to article page