Improving mortality of coronary surgery: Authors' repl

BMJ 2004; 329 doi: https://doi.org/10.1136/bmj.329.7470.855-b (Published 07 October 2004) Cite this as: BMJ 2004;329:855
  1. Ben Bridgewater, consultant cardiac surgeon (Ben.Bridgewater@smuht.nwest.nhs.uk),
  2. Antony D Grayson, regional clinical information analyst
  1. South Manchester University Hospital, Manchester M23 9LT
  2. Cardiothoracic Centre, Liverpool L14 3PE

    EDITOR—We dispute that the data presented and conclusions drawn are incompatible or that there is a paradox. We have some specific responses the points raised.

    We set out to test the hypothesis that there was improvement in surgeon performance after appointment to independent practice, which was indeed detected by our observations. This …

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