How has the disease course of pediatric ulcerative colitis changed throughout the biologics era? A comparison with the IBSEN study

Figure 2 Mean cumulative function for multiple relapses over time. The Y-axis is a cumulative relapse rate, which represents the cumulative hazard rate up to a specific point in time. The dotted line represents the 95% confidence interval for the cumulative risk rate. Group A: Thin black line; Group B: Thick black line.