• Chest · Dec 2012

    The pros and cons of propensity scores.

    • David L Streiner and Geoffrey R Norman.
    • Department of Psychiatry, University of Toronto, Toronto, Canada. streiner@mcmaster.ca
    • Chest. 2012 Dec 1;142(6):1380-2.

    AbstractPropensity scores have been proposed as a method of equating groups at baseline, which is a problem, especially in studies that do not use randomization. This article discusses some difficulties with the technique that may jeopardize the findings if users (and readers) are not aware of these problems.

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