Funding for this research was provided by:
National Heart, Lung, and Blood Institute (1R25HL126145-01)
National Institutes of Health (UL1TR000124, P30AG021684)
Received: 10 November 2019
Accepted: 12 February 2020
First Online: 17 February 2020
Change Date: 24 March 2020
Change Type: Correction
Change Details: After publication of the original article , there is a duplicate “35.322” in the section “Study outcomes”: Secondary outcomes included combined aortic valve repairs or replacements (ICD-9 35.11, 35.22, 35.22), […]”. This should be read “(ICD-9 35.11, 35.21, 35.22)”, instead.
Ethics approval and consent to participate
: The study was not submitted for research ethics approval as the activities described were conducted as part of the National Inpatient Sample (NIS), which is part of the family of databases and software tools developed for the Healthcare Cost and Utilization Project (HCUP) and uses de-identified data collected from hospitalized patients. The study activities obtained from NIS are exempt from the Johns Hopkins’ Institutional Review Board and do not require informed consent. For additional details, please refer to the following website links: ExternalRef removedExternalRef removed.
: Not applicable.
: The authors declare that they have no competing interests.