Prognostic information in administrative co-morbidity data following coronary artery bypass grafting

Steen Zabell Abildstrøm, Anders Hvelplund, Søren Rasmussen, Per Hostrup Nielsen, Poul Erik Mortensen, Marie Kruse, on behalf of the Danish Heart Register

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Abstrakt

Objectives: The aim of this study was to evaluate the prognostic information obtainable from administrative data with respect to 30-day mortality following coronary artery bypass grafting (CABG) and to compare it with the European System for Cardiac Operative Risk Evaluation (EuroSCORE) recorded in a clinical database. Methods: We used a co-morbidity index calculated from administrative data in the Danish National Patient Register by means of all admissions 1 year prior to CABG. In addition, each CABG was categorised as being isolated or not, and acute or not. The prognostic power of the co-morbidity index was compared to that achieved using EuroSCORE from a clinical database comprising information on all patients treated with CABG in Denmark. The outcome was all-cause mortality within 30 days after CABG and the prognostic power was evaluated using logistic regression analyses. Results: We identified 20078 patients treated with CABG from 2000 to 2007 with a complete registration of the total additive EuroSCORE in the clinical database. The co-morbidity index carried significant prognostic information regarding 30-day mortality (c-statistic 0.81). The prognostic power of the co-morbidity index was equal to that of the EuroSCORE (c-statistic 0.79). Conclusions: A standard co-morbidity index based on administrative data as well as on clinical data has proven equally useful for prediction of mortality amongst CABG patients.
OriginalsprogEngelsk
TidsskriftEuropean Journal of Cardio-Thoracic Surgery
Vol/bind38
Udgave nummer5
Sider (fra-til)573-576
ISSN1010-7940
DOI
StatusUdgivet - 20. apr. 2010

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