Figure 3: Mean improvement in clinical score (a) and mean reduction in basket diameter (b) at the psoriatic plaque treated with tacalcitol, mometasone furoate, cyclosporine A, etanercept [47], and acitretin at each time point as a percentage of baseline values. T0: start of treatment; T1: after 4 weeks; T2: after 8 weeks; T3: after 12 weeks; T4 (only for etanercept [5]): after 24 weeks.