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, Issu-MedSci.cn

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, Issu

Walter, SD; Macaskill, P; Turner, R; Guyatt, G; Cook, R; Prasad, K

Walter, SD (reprint author), McMaster Univ, 1280 Main St West, Hamilton, ON L8S 4K1, Canada.

STATISTICAL METHODS IN MEDICAL RESEARCH, 2019; 28 (5): 1597

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