Does EuroSCORE work in individual European countries? The EuroSCORE study group

Objective: Because of national epidemiological differences in adult heart surgery in Europe, the effectiveness and desirability of a pan-European score for the assessment of quality of surgical care remains controversial. We assessed the predictive value of EuroSCORE in national subsets of the EuroSCORE database. Methods: The EuroSCORE development data set was divided into national subsets of which those with 500 or more patients were selected for analysis. The Hosmer±Lemeshow goodness-of-®t test was applied to assess the calibration of the EuroSCORE model on individual national samples and the areas under the receiver operating characteristic (ROC) curve were measured to analyse the EuroSCORE discriminative power on individual death prediction. Results: There were 18 676 patients in the si