title: Standardising outcome measures using z scores.
authors.affiliation: Institute for Medical and Biomedical Education, St George's, University of London, London, UK p.sedgwick@sgul.ac.uk.
authors.forename: Philip
authors.initials: P
authors.lastname: Sedgwick
mesh_terms: D015992:Body Mass Index; D002648:Child; D006801:Humans; D009765:Obesity / Q000628:therapy*; D017063:Outcome Assessment, Health Care / Q000592:standards* / Q000706:statistics & numerical data*; D016032:Randomized Controlled Trials as Topic; D012015:Reference Standards