Validation of the EuroSCORE II in a Greek Cardiac Surgical Population: A Prospective Study



G. Stavridis1, D. Panaretos2, O. Kadda1, D. B. Panagiotakos2, *
1 Department of Cardiac Surgery, Onassis Cardiac Surgery Center, Athens, Greece
2 School of Health Science and Education, Harokopio University, Athens, Greece


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© 2017 Stavridis et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the School of Health Science and Education, Harokopio University, Athens, Greece; Tel: +30 210-9549332; Fax: +30 210-9600719; E-mail d.b.panagiotakos@usa.net


Abstract

Objective:

The objective of this study was to examine the validity of EuroSCORE II in the Greek population.

Methods:

A prospective single-center study was performed during November 1, 2013 and November 5, 2016; 621 patients undergoing cardiac surgery were enrolled. The EuroSCORE II values and the actual mortality of the patients were recorded in a special database. Calibration of the model was evaluated with the Hosmer-Lemeshow goodness-of-fit test, and discrimination with the areas under the receiver operating characteristic (ROC) curve.

Results:

The observed in-hospital mortality rate was 3% (i.e. 18/621 patients). The median EuroSCORE II value was 1.3% (1st quartile: 0.86%, 3rd quartile: 2.46%), which indicates a low in-hospital mortality. Area under the ROC curve for EuroSCORE II was 0.85 (95% CI: 0.75-0.94), suggesting very good correct classification of the patients.

Conclusion:

The findings of the present work suggest that EuroSCORE II is a very good predictor of in-hospital mortality after cardiac surgery, in our population and, therefore can safely be used for quality assurance and risk assessment.

Keywords: Cardiac surgery, Mortality, Biostatistics, Risk estimation, EuroSCORE.