[
1. STOLWIJK C, VAN ONNA M, BOONEN A, TUBERGEN A. Global prevalence of spondyloarthritis: a systematic review and meta-regression analysis. Arthritis Care Res. 2016;68(9):1320–31.10.1002/acr.2283126713432
]Search in Google Scholar
[
2. KOUGKAS N, AUGOUSTIDIS N, REPA A, BERTSIAS G, ESKITZIS A, SIDIROPOULOS P. The value of the 2011 ASAS classification criteria in patients with Spondyloarthritis and the prognosis of non-radiographic axial Spondyloarthritis: data from a large cohort of a tertiary referral hospital. Mediterr J Rheumatol. 2019;30(1):51–3.10.31138/mjr.30.1.51704591232185344
]Search in Google Scholar
[
3. COSTANTINO F, ZEBOULON N, SAID-NAHAL R, BREBAN M. Radiographic sacroiliitis develops predictably over time in a cohort of familial spondyloarthritis followed longitudinally. Rheumatology (Oxford). 2017;56(5):811–7.10.1093/rheumatology/kew49628160002
]Search in Google Scholar
[
4. PROTOPOPOV M, PODDUBNYY D. Radiographic progression in non-radiographic axial spondyloarthritis. Expert Rev Clin Immunol. 2018;14(6):525–33.10.1080/1744666X.2018.147759129774755
]Search in Google Scholar
[
5. MALAVIYA AP, OSTOR AJ. Early diagnosis crucial in Ankylosing Spondylitis. Practitioner. 2011;255(1746):21–4.
]Search in Google Scholar
[
6. KILTZ U, BARALIAKOS X, KARAKOSTAS P, IGELMANN M, KALTHOFF L, KLINK C., et al. Do patients with non-radiographic axial spondylarthritis differ from patients with ankylosing spondylitis? Arthritis Care Res (Hoboken). 2012;64:1415–22.
]Search in Google Scholar
[
7. RUDWALEIT M, LANDEWE R, VAN DER HEIJDE D, LİSTİNG J, BRANDT J, BRAUN J, et al. The development of Assessment of Spondylo Arthritis international Society classification criteria for axial spondyloarthritis: classification of paper patients by expert opinion including uncertainty approisal. Ann Rheum Dis 2009;68(6):770–6.10.1136/ard.2009.10821719297345
]Search in Google Scholar
[
8. H S GOİE THE, M M STEVEN, S M VAN DER LİNDEN, A CATS. Evaluation of diagnostic criteria for ankylosing spondylitis: a comparison of the Rome, New York and modified New York criteria in patients with a positive clinical history screening test for ankylosing spondylitis. Br J Rheumatol. 1985;24(3):242–9.10.1093/rheumatology/24.3.2423160423
]Search in Google Scholar
[
9. JUAN C RUEDA, SOFİA ARİAS-CORREAL, ANDRES Y VASQUEZ, ENRİQUE CALVO, PAOLA PEÑA, MARLON PORRAS, et al. Interobserver Agreement in Magnetic Resonance of the Sacroiliac Joints in Patients with Spondyloarthritis. Int J Rheumatol. 2017;2017:3143069.10.1155/2017/3143069532777928286523
]Search in Google Scholar
[
10. DEODHAR A, MITTAL M, REILLY P, BAO Y, MANTHENA S, ANDERSON J, et al. Ankylosing spondylitis diagnosis in US patients with back pain: identifying providers involved and factors associated with rheumatology referral delay. Clin Rheumatol. 2016;35:1769–76.10.1007/s10067-016-3231-z491452426987341
]Search in Google Scholar
[
11. VEDAT G, SERVET A, DILEK S, YAVUZ P, AHMET M O, BUNYAMİN K, et al. Initial Diagnosis of Lumbar Disc Herniation is Associated with a delay in Diagnosis of Ankylosing Spondylitis. J Rheumatol. 2012;39:1996–9.10.3899/jrheum.12010622859360
]Search in Google Scholar
[
12. BOYER GS, TEMPLIN DW, BOWLER A, LAWRENCE R C, EVERETT D F, HEYSES P, et al. A comparison of patients with SpA seen in specialty clinics with those identified in a community wide epidemiologic study. Arch Intern Med. 1997;157(18):2111–7.10.1001/archinte.1997.00440390111014
]Search in Google Scholar
[
13. SHMAGEL A, FOLEY R, IBRAHIM H. Epidemiology of chronic low back pain in US adults: data from the 2009–2010 National Health and Nutrition Examination Survey. Arthritis Care Res. 2016;68:1688–94.10.1002/acr.22890502717426991822
]Search in Google Scholar
[
14. DANVE A, O’DELL J. The ongoing quest for biomarkers in ankylosing spondylitis. Int J Rheum Dis. 2015;18:826–34.10.1111/1756-185X.1277926469363
]Search in Google Scholar
[
15. ARNBAK B, GRETHEJURIK A, HORSLEV PETERSEN K, HENDRİCKS O, HERMANSEN L T, LOFT A G, et al. Associations between spondyloarthritis features and magnetic resonance imaging findings: A cross-sectional analysis of 1,020 patients with persistent low back pain. Arthritis Rheumatol. 2016;68(4):892–900.10.1002/art.3955126681230
]Search in Google Scholar
[
16. MANDL P, NAVARRO-COMPAN V, TERSLOW L, P AEGERTER, D VAN DER HEİJDE, M A D'AGOSTİNO, et al. EULAR recommendations for the use of imaging in the diagnosis and management of spondyloarthritis in clinical practice. Ann Rheum Dis. 2015;74(7):1327–39.10.1136/annrheumdis-2014-20697125837448
]Search in Google Scholar
[
17. SIZHENG STEVEN ZHAO, JOERG ERMANN, CHANG XU, CHANG XU, HOUCHEN LYU, SARA K TEDESCHİ, KATHERİNE P LİAO, et al. Comparison of comorbidities and treatment between ankylosing spondylitis and non-radiographic axial spondyloarthritis in the United States. Rheumatology 2019;58(11):2025–30.10.1093/rheumatology/kez171796789431081033
]Search in Google Scholar
[
18. CLEMENTINA MEDINA, SOFIA RAMIRO, DESIREE VAN DER HEIJDE, JOACHIM SIEPER, MAXIME DOUGADOS, ANNA MOLTO. Characteristics and burden of disease in patients with radiographic and non-radiographic axial Spondyloarthritis: a comparison by systematic literature review and meta-analysis. RMD Open. 2019;5:e001108.10.1136/rmdopen-2019-001108689039331803500
]Search in Google Scholar
[
19. VANDER CRUYSSEN B, MUÑOZ-GOMARIZ E, FONT P, JUAN M, KURT DE V, ANNELİES B, et al. Hip involvement in ankylosing spondylitis: epidemiology and risk factors associated with hip replacement surgery. Rheumatology (Oxford) 2010;49(1):73–81.10.1093/rheumatology/kep17419605374
]Search in Google Scholar
[
20. İMKEREDEKER, JOHANNA CALLHOFF, FALK HOFFMANN, HİLDRUN HAİBEL, JOACHİM SİEPER, ANGELA ZİNK, et al. Determinants of diagnostic delay in axial spondyloarthritis: an analysis based on linked claims and patient-reported survey data. Rheumatology (Oxford) 2019;58(9):1634–38.10.1093/rheumatology/kez09030903141
]Search in Google Scholar
[
21. ABHIJEET DANVE, ATUL DEODLAR. Screening and referral for axial spondyloarthritis-need of the hour. Clin Rheumatol. 2015;34:987–993.10.1007/s10067-015-2958-225946983
]Search in Google Scholar
[
22. DEODHAR A, MEASE PJ, REVEILLE JD, JEFFREY R CURTİS, SU CHEN, KAİLASH MALHOTRA, et al. Frequency axial spondyloarthritis diagnosis among patients seen by US rheumatologists for evaluation of chronic back pain. Arthritis Rheumatol. 2016;68(7):1669–76.10.1002/art.39612509450026816002
]Search in Google Scholar
[
23. BRAUN J, MOSCH T, FISCHER I, KILTZ U. Identification of patients with axial spondylarthritis in primary care (AWARE study). Z Rheumatol. 2019;78:569–76.10.1007/s00393-018-0550-231375960
]Search in Google Scholar
[
24. OZAIR ABAWI, ROSALINE VAN DEN BERG, DESIREE VAN DEN HEIJDE, VAN GALEEN F. Evaluation of multiple referral strategies for axial spondyloarthritis in the SPondylo Arthritis Caught Early (SPACE) cohort. RMD open. 2017;3:e000389.10.1136/rmdopen-2016-000389538802428469935
]Search in Google Scholar
