Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAuthors' reply: Letter to the Editor: Preference option randomized design (PORD) for comparative effectiveness research: Statistical power for testing comparative effect, preference effect, selection effect, intent-to-treat effect, and overall effect (SMMR, Vol. 28, Issue 2, 2019).AuthorsHeo, Moonseong; Meissner, Paul; Litwin, Alain H; McKee, M Diane; Karasz, Alison; Chambers, Earle C; Yeh, Ming-Chin; Wylie-Rosett, JudithSubjectsCLINICAL trials; MEDICAL research; STATISTICS; DATA analysisPublicationStatistical Methods in Medical Research, 2019, Vol 28, Issue 5, p1600ISSN0962-2802Publication typejournal articleDOI10.1177/0962280218767707