Letter

Evidence based medicine: does it make a difference?

BMJ 2005; 330 doi: 10.1136/bmj.330.7482.93-a (Published 6 January 2005)
Cite this as: BMJ 2005;330:93.2

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Evidence base is weak and comes too late for evidence based policy making

  1. Tim Wilson, general practitioner (Tim.wilson@gp-k84036.nhs.uk)
  1. Mill Stream Surgery, Benson, Oxfordshire OX10 6RL

    EDITOR—Muir Gray says that evidence based policy making is about taking decisions based on evidence and the needs and values of the population.1 Surely one of the major barriers to better evidence based policy is that the evidence base is weak and too late.

    In clinical practice, evidence in randomised controlled trials often uses selected groups of patients, excluding …

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