Jones, Gareth T.Mallawaarachchi, BhadraShim, JoannaLock, JonathanMacfarlane, Gary J.2020-08-312020-08-312020-10Jones, G T, Mallawaarachchi, B, Shim, J, Lock, J & Macfarlane, G J 2020, 'The prevalence of fibromyalgia in axial spondyloarthritis', Rheumatology International, vol. 40, pp. 1581-1591. https://doi.org/10.1007/s00296-020-04621-50172-8172ORCID: /0000-0003-2322-3314/work/76210708ORCID: /0000-0003-0016-7591/work/83703917https://hdl.handle.net/2164/15041Open access via Springer Compact Agreement ACKNOWLEDGEMENTS SIRAS was funded by unrestricted educational grants from AbbVie and Pfzer. BM was funded by the Ministry of Health, Sri Lanka. We thank all the clinicians and research nurses who facilitated recruitment and data collection to the SIRAS study. We are indebted to the SIRAS steering committee, especially Professor Roger Sturrock (chair) and Dr David Marshall (vice-chair). We also thank staf from the SIRAS coordinating centre, in particular: Elizabeth Ferguson-Jones, Giles O’Donovan, Nabi Moaven-Hashemi and Flora Joyce. We would also like to acknowledge the Post Graduate Institute of Medicine, Sri Lanka111137281engAxial spondyloarthritisFibromyalgiaPrevalenceMeta-analysisOF-RHEUMATOLOGY 1990PARTCONCOMITANT FIBROMYALGIACLASSIFICATIONANKYLOSING-SPONDYLITISDIAGNOSTIC-CRITERIAR Medicine (General)RheumatologyImmunology and AllergyImmunologyR1Journal article10.1007/s00296-020-04621-5http://www.scopus.com/inward/record.url?scp=85086599869&partnerID=8YFLogxK40