Inappropriateness of randomised trials for complex phenomena

BMJ 2005; 330 doi: http://dx.doi.org/10.1136/bmj.330.7482.95-a (Published 6 January 2005)
Cite this as: BMJ 2005;330:95.2

Get access to this article and all of bmj.com for the next 14 days

Sign up for a 14 day free trial today

Access to the full text of this article requires a subscription or payment. Please log in or subscribe below.

Author's reply

  1. Andrew Kotaska, resident (Kotaska@bulkley.net)
  1. Department of Obstetrics and Gynaecology, University of British Columbia, Women's Hospital, Vancouver, BC, Canada V6H 3V5

    EDITOR—Boutron et al misquote a summary point to suggest that all complex procedures are not amenable to randomised investigation. They note that randomisation within a system of procedural excellence (not in 121 centres in 26 countries) can be a useful investigational tool. This certainly is the case; however, one must remember that procedural excellence always remains in evolution.

    Wide variations in confidence …

    Get access to this article and all of bmj.com for the next 14 days

    Sign up for a 14 day free trial today

    Access to the full text of this article requires a subscription or payment. Please log in or subscribe below.

    Article access

    Article access for 1 day

    Purchase this article for £20 $30 €32*

    The PDF version can be downloaded as your personal record

    * Prices do not include VAT

    THIS WEEK'S POLL