Clearly defined primary and secondary outcome measures. Additional analyses were done on the percentage change in PASI scores and improvement in target psoriasis lesions.
Most trials have several outcomes, some of which are of more interest than others.
Some trials may have more than one primary outcome. Other outcomes of interest are secondary outcomes. There may be several secondary outcomes, often including unanticipated or unintended effects of the intervention. All outcome measures, whether primary or secondary, should be identified and completely defined. When outcomes are assessed at several time points after randomization, authors should indicate the pre-specified time point of primary interest.