Paediatric cardiac surgical mortality after Bristol

Abstract
EDITOR—The paper by Aylin et al on paediatric cardiac mortality in England after Bristol provides some interesting and potentially perturbing results.1 The reduction in paediatric cardiac surgical mortality is encouraging, but the identification of hospitals with excess mortality is worrying. Since 2003 all paediatric intensive care units in England and Wales have contributed data on all admissions to the paediatric intensive care audit network (PICANet), …