Intended for healthcare professionals


Studying only admissions is a source of potential bias

BMJ 1995; 311 doi: (Published 19 August 1995) Cite this as: BMJ 1995;311:509
  1. Clive Weston,
  2. Peter Donnelly
  1. Senior lecturer Department of Cardiology, Pinderfields Hospital, Wakefield WF1 4DG
  2. Senior lecturer Centre for Applied Public Health Medicine, University of Wales College of Medicine, Cardiff CF1 3NW

    EDITOR,--U M Guly and colleagues state that their study, which claims to show that “paramedics and technicians are equally successful at managing cardiac arrest outside hospital,” does not “diminish the role of paramedics.”1 Yet the paragraph about their paper in This week in BMJ concludes that such patients “are best treated” by technicians and calls into question the requirement of having a paramedic in …

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