title: Adjusting for baseline: change or percentage change.
authors.forename: J N
authors.initials: JN
authors.lastname: Matthews
authors.forename: M J
authors.initials: MJ
authors.lastname: Campbell
mesh_terms: D015982:Bias; D015987:Effect Modifier, Epidemiologic; D006801:Humans; D016013:Likelihood Functions; D016896:Treatment Outcome