Funding for this research was provided by:
British Society for Rheumatology (NA)
Versus Arthritis (NA)
Received: 20 December 2019
Accepted: 31 March 2020
First Online: 17 April 2020
Ethics approval and consent to participate
: The NCAREIA did not require ethical approval as it accumulated routinely collected data for quality improvement purposes.
: Approvals obtained by HQIP for use of dataset for research purposes
: JG has received honoraria from Abbvie, Celgene, Janssen, Pfizer, and Union Chimique Belge (UCB); MY has received honoraria from UCB. The other authors have declared no conflicts of interest.