The National Cardiovascular Data Registry Data Quality Program 2020: JACC State-of-the-Art Review

The National Cardiovascular Data Registry is a group of registries maintained by the American College of Cardiology Foundation. These registries are used by a diverse constituency to improve the quality and outcomes of cardiovascular care, to assess the safety and effectiveness of new therapies, and for research. To achieve these goals, registry data must be complete and reliable. In this article, we review the process of National Cardiovascular Data Registry data collection, assess data completeness and integrity, and report on the current state of the data. Registry data are complete. Accuracy is very good but variable, and there is room for improvement. Knowledge of the quality of data is essential to ensuring its appropriate use.