Free explainer2 min read
Intention-to-treat versus per-protocol analysis
Understand the model, recognise it in a stem, separate the look-alikes, then apply it.
Watch it explainedTwenty percent of the treatment arm stop the drug and leave the trial. Analyse only the ones who finished, and the drug just got better.
01Memory anchor
ITTIntention to treat, an analysis that keeps everyone in their original study group even if they did not finish the treatment.Read more → = as randomised (honest); per-protocol = completers only (flattering).