Letters Hospital variation in AMI outcome in UK and Sweden

Authors’ reply to Gupta

BMJ 2015; 351 doi: https://doi.org/10.1136/bmj.h5140 (Published 30 September 2015) Cite this as: BMJ 2015;351:h5140
  1. Sheng-Chia Chung, research associate1,
  2. Johan Sundström, professor2,
  3. Chris P Gale, associate professor3,
  4. Adam Timmis, professor4,
  5. Tomas Jernberg, associate professor5,
  6. Harry Hemingway, professor and director1
  1. 1Farr Institute of Health Informatics Research and Institute of Health Informatics, University College London, London NW1 2DA, UK
  2. 2Cardiology, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
  3. 3Cardiovascular Health Sciences, University of Leeds, Leeds, UK
  4. 4National Institute for Health Research, Cardiovascular Biomedical Research Unit, Bart’s Health London, London
  5. 5Section of Cardiology, Department of Medicine, Karolinska Institute, Stockholm, Sweden
  1. s.chung{at}ucl.ac.uk

In answer to Gupta,1 we performed additional sensitivity analyses to investigate the influence of ethnicity on the variation in 30 day mortality after acute myocardial infarction (AMI) in UK hospitals.2

Ethnicity information was not documented in the …

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