Letters

Evidence used to formulate guidelines on managing asthma did not include costs

BMJ 1996; 313 doi: https://doi.org/10.1136/bmj.313.7049.113c (Published 13 July 1996) Cite this as: BMJ 1996;313:113
  1. D A Fitzmaurice,
  2. C P Bradley,
  3. R Salter,
  4. A E Slater
  1. Lecturer Senior lecturer Research associate Health economist Department of General Practice, University of Birmingham, Medical School, Birmingham B15 2TT

    EDITOR,—Though we applaud the efforts that went into the project to develop evidence based guidelines for primary care management of asthma in adults, we think that the results need to be handled more carefully.1 There is category I evidence (as defined by the guideline development group) to show that dry powder devices are more effective than metered dose inhalers.2 3 Both of the studies providing this evidence show significant improvements in respiratory function, although they were conducted over relatively short periods. There …

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