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ANZ J Surg. 2003 Jul;73(7):507-10.

Improving the evidence-base in surgery: evaluating surgical effectiveness.

Author information

  • 1Surgical Outcomes Research Centre (SOuRCe), Central Sydney Area Health Service, School of Public Health, University of Sydney, University of Sydney, Sydney, New South Wales, Australia. jyoung@email.cs.nsw.gov.au

Abstract

This second of two articles about clinical epidemiology reviews the generation and synthesis of evidence for the effectiveness of surgical procedures. While well-designed randomized controlled trials of surgical procedures are considered the 'gold standard' of evaluation design, they may achieve high internal validity at the expense of external validity (generalizability). Improving the -evidence-base in surgery likely will require a comprehensive approach to surgical outcomes assessment, involving both improvements in the quality and quantity of randomized controlled trials as well as recognition of the complementary role of alternate study designs.

PMID:
12864826
[PubMed - indexed for MEDLINE]
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