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Letters Mid Staffs inquiry

Two incorrect assertions about study of hospital standardised mortality ratios in the West Midlands

BMJ 2013; 346 doi: (Published 05 March 2013) Cite this as: BMJ 2013;346:f1088
  1. Mohammed A Mohammed, research fellow1,
  2. Richard J Lilford, professor1
  1. 1University of Birmingham, Birmingham B15 2TT, UK
  1. m.a.mohammed{at}

The series of BMJ articles on hospital mortality statistics and Mid Staffordshire NHS Foundation Trust underscores the complex issues involved.1 2 3 Hawkes and Godlee make two key assertions about our work.

Firstly, that there was a conspiracy in the West Midlands to discredit hospital standardised mortality ratios (HSMRs)—this is fiction. The medical director of the West …

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