Letters Wastage in clinical trials

Value of randomised controlled surgical trials

BMJ 2015; 350 doi: https://doi.org/10.1136/bmj.h291 (Published 20 January 2015) Cite this as: BMJ 2015;350:h291
  1. Damien Bennett, specialty registrar in public health medicine1
  1. 1Belfast BT2 8BS, UK
  1. damien.bennett.mph{at}hotmail.com

Ioannidis correctly states that many surgical trials are “wasted effort” and that trials should be optimally designed and properly randomised.1

Examination of existing surgical techniques and implants that lack robust evidence …

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