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Cataract surgery and mortality
  1. R Lindfield,
  2. E Turner,
  3. N John,
  4. C Gilbert
  1. London School of Hygiene and Tropical Medicine, London, UK
  1. Dr R Lindfield, London School of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK; robert.lindfield{at}lshtm.ac.uk

Statistics from Altmetric.com

We read with interest the paper by Blundell et al,1 which compared mortality among people who had undergone cataract surgery in Bristol in 2000–2001 with the mortality in the general population of England and Wales, and of the Bristol region.

We have some concerns about the sample and interpretation of the results.

The authors …

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