All links accessed October 4 2021:

1. Versus Arthritis. State of Musculoskeletal Health 2019. https://www.versusarthritis.org/about-arthritis/data-and-statistics/state-of-musculoskeletal-health-2019/
2. S Swain et al. ‘Trends in incidence and prevalence of osteoarthritis in the United Kingdom: findings from the Clinical Practice Research Datalink (CPRD)’. Osteoarthritis and Cartilage. 28; 6: 792-801. March 14 2020. https://www.oarsijournal.com/article/S1063-4584(20)30918-3/fulltext
3. NICE. BNF. Treatment summary. Spondyloarthritis. https://bnf.nice.org.uk/treatment-summary/spondyloarthritis.html
4. National Axial Spondyloarthritis Society (NASS). ‘What is axial SpA (ASA)?’. https://nass.co.uk/about-as/what-is-as/
5. NICE. Clinical Guideline CG177. ‘Osteoarthritis: care and management’. Published February 2014, last updated December 11 2020. https://www.nice.org.uk/guidance/cg177
6. NICE. Guideline NG100. ‘Rheumatoid arthritis in adults: management. Published July 2018, last updated October 12 2020. https://www.nice.org.uk/guidance/ng100
7. O Benjamin et al. ‘Disease Modifying Anti-Rheumatic Drugs (DMARD)’. StatPearls Publishing. January 2021. NBK507863. https://www.ncbi.nlm.nih.gov/books/NBK507863/
8. NICE. BNF. Treatment summary. ‘Rheumatic disease, suppressing drugs’. https://bnf.nice.org.uk/treatment-summary/rheumatic-disease-suppressing-drugs.html
9. NICE. Guideline NG65. ‘Spondyloarthritis in over 16s: diagnosis and management’. Published February 2017, last updated June 2 2017. https://www.nice.org.uk/guidance/ng65/