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Endgames Statistical Question

Sampling methods I

BMJ 2011; 342 doi: (Published 02 March 2011) Cite this as: BMJ 2011;342:d1249
  1. Philip Sedgwick, senior lecturer in medical statistics
  1. 1Section of Medical and Healthcare Education, St George’s, University of London, Tooting, London, UK
  1. p.sedgwick{at}

A randomised controlled trial investigated the efficacy and safety of scorpion antivenom combined with prazosin in the treatment of venomous scorpion sting. Control treatment was prazosin alone, a commonly used vasodilator.1

Patients were included in the trial if they had grade 2 scorpion envenomation, were older than six months, and had no cardiorespiratory or central nervous system abnormalities. In total, the trial recruited 70 consecutive admissions to a single hospital in India between March 2009 and February 2010. The administration of scorpion antivenom combined with prazosin significantly hastened the recovery from …

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