Received: 3 March 2020
Accepted: 29 November 2020
First Online: 7 January 2021
Change Date: 6 February 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/S13018-021-02273-0
Ethics approval and consent to participate
: The NHS PROMs/HES-linked data from Health and Social Care Information Centre was approved to access (ref: NIC-392690-F7H2Q). Formal ethic committee approval was not required as patient identifiable data was not requested for the analyses.
: Not applicable.
: There are no conflicts of interest to disclose regarding any financial or personal relationship.