Propensity scores: help or hype?
نویسندگان
چکیده
منابع مشابه
Propensity scores: help or hype?
In this issue of Nephrology Dialysis Transplantation, Kazmi et al. report an evaluation of the association between late nephrologist referral and mortality in a cohort of incident renal replacement therapy (RRT) patients [1]. After multivariable adjustment, they found that patients who reported having first been seen by a nephrologist <4 months prior to RRT had a nearly 50% higher risk of 1 yea...
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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 ...
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ژورنال
عنوان ژورنال: Nephrology Dialysis Transplantation
سال: 2004
ISSN: 0931-0509,1460-2385
DOI: 10.1093/ndt/gfh104