Propensity score matching: a conceptual review for radiology researchers

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. P...

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Published in:Korean journal of radiology 2015, 16(2), , pp.286-296
Main Authors: Baek, Seunghee, Park, Seong Ho, Won, Eugene, Park, Yu Rang, Kim, Hwa Jung
Format: Article
Language:English
Subjects:
Accuracy
Bias
Clinical medicine
Clinical trials
Confounding (Statistics)
Diagnostic tests
Experimental and Others
Female
Humans
Liver
Male
Middle Aged
Observational studies
Patients
Propensity Score
Radiology - methods
Research Design
Research Personnel
Software
Statistical analysis
Variables
방사선과학
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container_issue 2
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container_title Korean journal of radiology
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creator Baek, Seunghee
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description 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.
doi_str_mv 10.3348/kjr.2015.16.2.286
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source Publicly Available Content (ProQuest); PubMed
subjects Accuracy
Bias
Clinical medicine
Clinical trials
Confounding (Statistics)
Diagnostic tests
Experimental and Others
Female
Humans
Liver
Male
Middle Aged
Observational studies
Patients
Propensity Score
Radiology - methods
Research Design
Research Personnel
Software
Statistical analysis
Variables
방사선과학
title Propensity score matching: a conceptual review for radiology researchers
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