EBM notebooks

The GATE frame: critical appraisal with pictures

Rod Jackson, MBChB, PhD¹, Shanthi Ameratunga, MBChB, PhD¹, Joanna Broad, MPH¹, Jennie Connor, MBChB, PhD¹, Anne Lethaby, MA¹, Gill Robb, MPH¹, Sue Wells, MBChB, MPH¹, Paul Glasziou, MBBS, PhD², Carl Heneghan, BM, BCH²

¹ University of Auckland
Auckland, New Zealand
² Centre for Evidence-Based Medicine
Oxford, UK

The first 150 words of the full text of this article appear below.

Epidemiological evidence about the accuracy of diagnostic tests, the power of prognostic markers, and the efficacy and safety of interventions is the cornerstone of evidence-based health care.¹ Practitioners of evidence-based health care require critical appraisal skills to judge the validity of this evidence. The Evidence-Based Medicine (EBM) Working Group members are international leaders in teaching critical appraisal skills, and their users’ guides for appraising the validity of the healthcare literature² have long been the basis of teaching programmes worldwide. However, we found that many of our students took a reductionist "paint by numbers" approach when using the Working Group’s guides. Students could answer individual appraisal questions correctly but would have difficulty assessing overall study quality. We believe this is due to a poor understanding of epidemiological study design. So over the past 15 years of teaching critical appraisal we have modified the EBM Working Group approach and developed the Graphic . . . [Full text of this article]

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