Figure 3
From: Additive scales in degenerative disease - calculation of effect sizes and clinical judgment
Treatment effects. Functions f 1 and f 2 and Scales F A and F B as in Figure 2. A treatment effect of 30% is assumed for f 1 (Treatment 1) or f 2 (Treatment 2). Upper panel) Effects on Scale F A at early and late time points. Lower panel) Effects on Scale F B at early and late time points. The graph shows normalized scores over time. The graph shows that the size of the treatment effect depends on the scale that is used.