Paediatric cardiac surgical mortality after Bristol
BMJ 2004; 330 doi: https://doi.org/10.1136/bmj.330.7481.44 (Published 30 December 2004) Cite this as: BMJ 2004;330:44Authors' reply
- Paul Aylin, clinical senior lecturer (p.aylin@imperial.ac.uk),
- Brian Jarman, emeritus professor,
- Paul Elliott, professor of epidemiology and public health, faculty of medicine
- Dr Foster Unit at Imperial College London, Department of Epidemiology and Public Health, St Mary's Campus, Imperial College, London W2 1PG
EDITOR—Parry et al call for clarity of our methods for risk adjustment. We adjusted by type of operation, by incorporating the 11 open procedure groups as factors into our regression model. The use of procedure groups for risk adjustment is in line with another published method.1 In contrast, recently published centre comparisons based on the central cardiac audit database were not risk adjusted.2
Gibbs et al and Morris and Archer on bmj.com remain concerned by the lack of accuracy of hospital episode statistics.3 Work commissioned …
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