Evidence-based medicine, part 3. An introduction to critical appraisal of articles on diagnosis

Damon A. Schranz, Michael A. Dunn

Research output: Contribution to journalReview article

4 Scopus citations

Abstract

This article provides an introductory step-by-step process to appraise an article on diagnosis. The authors introduce these principles using a systematic approach and case-based format. The process of assessing the validity of an article on diagnosis, determining its importance, and applying it to an individual patient is reviewed. The concepts of study population homogeneity, reference and criterion standards, and completeness are discussed to help physicians determine an article's validity. Instruction on calculating prevalence, sensitivity, specificity, and positive and negative predictive values and likelihood ratios is provided and applied to a hypothetical clinical scenario. Study generalizability and the role of patient values, expectations, and concerns are also addressed. The skills learned from appraising an article on diagnosis in the manner outlined provides a solid basis for life-long learning and improved patient care.

Original languageEnglish
Pages (from-to)304-309
Number of pages6
JournalJournal of the American Osteopathic Association
Volume107
Issue number8
StatePublished - 1 Aug 2007

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