Propensity score matching: a conceptual review for radiology researchers

Korean Journal of Radiology : Official Journal of the Korean Radiological Society
Seunghee BaekHwa Jung Kim

Abstract

The propensity score is defined as the probability of each individual study subject being assigned to a group of interest for comparison purposes. Propensity score adjustment is a method of ensuring an even distribution of confounders between groups, thereby increasing between group comparability. Propensity score analysis is therefore an increasingly applied statistical method in observational studies. The purpose of this article was to provide a step-by-step nonmathematical conceptual guide to propensity score analysis with particular emphasis on propensity score matching. A software program code used for propensity score matching was also presented.

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Aug 16, 2018·International Journal of Hyperthermia : the Official Journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group·Stella BernardiFulvio Stacul
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