Fig. 5From: Tophus resolution in patients with chronic refractory gout who have persistent urate-lowering responses to pegloticasea Baseline tophus areas for biochemical responders with low, medium, and high tophus burden at baseline. b Velocity of tophus resolution for patients the three groups. c Mean time to tophus resolution for patients with low, medium, and high tophus burden at baseline. Error bars are SDsBack to article page