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Letters Hospitals put into special measures in 2013

The BMJ report on mortality cuts in hospitals put into special measures in 2013 is misleading

BMJ 2015; 350 doi: (Published 07 April 2015) Cite this as: BMJ 2015;350:h1794
  1. Michael Campbell, professor of medical statistics1
  1. 1University of Sheffield, Sheffield S1 4DA, UK
  1. m.j.campbell{at}

The report on the Dr Foster analysis of mortality in hospitals put under special measures is misleading.1 The widely quoted figures are of a 9.5% reduction in mortality in the 11 trusts put into special measures (“Keogh” hospitals) compared with 3.3% nationally.2 The “national” figure is derived from 11 randomly chosen trusts selected with replacement 1000 times. Presumably this …

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