title: Covariate adjustment increases statistical power in randomized controlled trials.
authors.forename: Hester
authors.initials: H
authors.lastname: Lingsma
authors.forename: Bob
authors.initials: B
authors.lastname: Roozenbeek
authors.forename: Ewout
authors.initials: E
authors.lastname: Steyerberg
mesh_terms: D000704:Analysis of Variance; D003627:Data Interpretation, Statistical; D006801:Humans; D010506:Periodicals as Topic; D016032:Randomized Controlled Trials as Topic / Q000706:statistics & numerical data*; D016896:Treatment Outcome