Propensity Scores in Cardiovascular Research
نویسندگان
چکیده
منابع مشابه
Propensity scores in cardiovascular research.
Propensity scores have been used to reduce bias in observational studies in many fields and are becoming more widely used in cardiovascular research.1 The goal of this statistical primer is to present the definition of propensity scores and to illustrate their use by describing some recent examples found in the cardiovascular disease research literature. Large-scale epidemiological cohort studi...
متن کاملSummary Variables in Observational Research: Propensity Scores and Disease Risk Scores
ii The DEcIDE (Developing Evidence to Inform Decisions about Effectiveness) network is part of AHRQ's Effective Health Care Program. It is a collaborative network of research centers that support the rapid development of new scientific information and analytic tools. The DEcIDE network assists health care providers, patients, and policymakers seeking unbiased information about the outcomes, cli...
متن کاملInvited commentary: propensity scores.
The propensity score is the conditional probability of exposure to a treatment given observed covariates. In a cohort study, matching or stratifying treated and control subjects on a single variable, the propensity score, tends to balance all of the observed covariates; however, unlike random assignment of treatments, the propensity score may not also balance unobserved covariates. The authors ...
متن کاملDemystifying propensity scores.
1 Health Protection and Influenza Research Group, Division of Epidemiology and Public Health, University of Nottingham, Nottingham, UK 2 Department of Anaesthesia, National Hospital for Neurology and Neurosurgery, & Surgical Outcomes Research Centre, University College London Hospital, London, UK 3 Wellcome Department of Imaging Neuroscience, University College London, London, UK 4 Department o...
متن کامل<hw>Propensity Scores
Abstract Propensity scores represent the probability that an individual is assigned to a treatment group given the individual’s scores on a set of covariates. Propensity scores are used in nonrandomized studies to equate treatment and control groups on a large number of covariates measured at baseline. Assumptions necessary for propensity score analysis to yield a valid estimate of t...
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ژورنال
عنوان ژورنال: Circulation
سال: 2007
ISSN: 0009-7322,1524-4539
DOI: 10.1161/circulationaha.105.594952