When researchers in a clinical trial analyze outcomes for all study participants who were randomly assigned to a treatment group, regardless of whether they received the treatment or dropped out of the study, the analysis is called:

Question

Quizplus · Accepted Answer

An intention to treat analysis includes all randomized participants, even those who did not receive the treatment or dropped out of the study. This approach is important because it preserves the randomization and avoids selection bias. A complete case analysis only includes participants who completed the study, which can introduce bias if those who dropped out are systematically different from those who remained. An available case analysis only includes participants who have complete data, which can also introduce bias.

When Researchers in a Clinical Trial Analyze Outcomes for All