Logistic, additive or historical: is EuroSCORE an appropriate model for comparing individual surgeons' performance?

Both versions of the EuroSCORE, the complex logistic and the simpler additive, have been used for comparing institutional performance, but they are no longer robust enough to be used for comparing individual surgeons. It is now time to tighten the standard and add additional data to obtain a more holistic picture of the quality of cardiac surgical care in the UK.