Medical care
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The objective of this study was to develop an instrument that will assist in evaluating the methodological quality of drug utilization reviews (DURs) and studies of prescribing appropriateness. ⋯ EQUATDUR-2 is a succinct, self-administered instrument with evidence of validity and reliability. We recommend that > or =2 raters independently assess each DUR and resolve disagreements by consensus. EQUATDUR-2 will help clinicians and decision makers to evaluate the quality of DUR studies and provide a framework for enhancing rigor in the design, conduct, and reporting of DURs.