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Letters Competition in healthcare

Preliminary findings on competition in healthcare should not be over-interpreted

BMJ 2011; 343 doi: (Published 25 July 2011) Cite this as: BMJ 2011;343:d4731
  1. Nick Black, professor of health services research1
  1. 1London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK

Research into the effects of competition on quality of care must guard against the tendency to make over-optimistic claims of benefits on the basis of initial findings.1

Despite the best attempts of excellent researchers, the three existing studies in England are inevitably limited by their reliance on routine administrative data (hospital episode statistics; HES) and the …

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