The Dutch Hospital Standardized Mortality Ratio (HSMR) Method and Cardiac Surgery: Benchmarking in a National Cohort Using Hospital Administration Data Versus a Clinical Database

Study Questions:

How accurate are data from hospital administration databases and a national clinical cardiac surgery database? And, what is the comparative performance of the Dutch hospital standardized mortality ratio (HSMR) method and the logistic European System for Cardiac Operative Risk Evaluation, for the purpose of benchmarking of mortality across hospitals?