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Using evidence from randomized trials in fertility practice.

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  • 1Department of Obstetrics and Gynecology, McMaster University, Hamilton, Ontario, Canada. hughese@mcmaster.ca

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Randomized controlled trials (RCTs) provide crucial data on treatment effectiveness. Evaluating RCT validity, clinical relevance, and importance is key for applying new evidence to subfertility patient care.

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Area of Science:

  • Reproductive Medicine
  • Clinical Epidemiology

Background:

  • Randomized controlled trials (RCTs) are fundamental for assessing treatment effectiveness and diagnostic utility.
  • Reliable clinical practice relies on RCT data possessing validity, clinical relevance, and importance.

Purpose of the Study:

  • To review key questions for evaluating new RCT evidence.
  • To guide decisions on incorporating RCT findings into subfertility patient care.

Main Methods:

  • Review of principles for assessing RCT quality.
  • Application of these principles to the context of subfertility.

Main Results:

  • RCTs must be free from bias (validity).
  • Trials should involve similar patients and measure meaningful outcomes (clinical relevance).
  • Effect sizes must be clinically significant to outweigh risks and costs (importance).

Conclusions:

  • Critical appraisal of RCTs is essential before influencing clinical decisions.
  • Subfertility care should be guided by high-quality, relevant, and important evidence from RCTs.