title: Demystifying propensity scores.
authors: Health Protection and Influenza Research Group, Division of Epidemiology and Public Health, University of Nottingham, Nottingham, UK.
authors: G N
authors: GN
authors: Okoli
authors: R D
authors: RD
authors: Sanders
authors: P
authors: P
authors: Myles
mesh_terms: D006801:Humans; D057216:Propensity Score; D016032:Randomized Controlled Trials as Topic