title: Inverse probability weighting.
authors.affiliation: Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran mansournia_ma@yahoo.com.
authors.forename: Mohammad Ali
authors.initials: MA
authors.lastname: Mansournia
authors.affiliation: Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford OX3 7LD, UK.
authors.forename: Douglas G
authors.initials: DG
authors.lastname: Altman
mesh_terms: D002986:Clinical Trials as Topic; D004812:Epidemiologic Methods; D006801:Humans; D011336:Probability; D013223:Statistics as Topic