• 1
    Rudwaleit M, Landewe R, van der Heijde D, Listing J, Brandt J, Braun J, et al.The development of Assessment of SpondyloArthritis international Society classification criteria for axial spondyloarthritis (part I): classification of paper patients by expert opinion including uncertainty appraisal.Ann Rheum Dis2009;68:7706.
  • 2
    Rudwaleit M, van der Heijde D, Landewe R, Listing J, Akkoc N, Brandt J, et al.The development of Assessment of SpondyloArthritis international Society classification criteria for axial spondyloarthritis (part II): validation and final selection.Ann Rheum Dis2009;68:77783.
  • 3
    Lee W, Reveille JD, Weisman MH.Women with ankylosing spondylitis: a review.Arthritis Rheum2008;59:44954.
  • 4
    Lee W, Reveille JD, Davis JC Jr, Learch TJ, Ward MM, Weisman MH.Are there gender differences in severity of ankylosing spondylitis? Results from the PSOAS cohort.Ann Rheum Dis2007;66:6338.
  • 5
    Aloush V, Ablin JN, Reitblat T, Caspi D, Elkayam O.Fibromyalgia in women with ankylosing spondylitis.Rheumatol Int2007;27:8658.
  • 6
    Dougados M, d'Agostino MA, Benessiano J, Berenbaum F, Breban M, Claudepierre P, et al.The DESIR cohort: a 10-year follow-up of early inflammatory back pain in France. Study design and baseline characteristics of the 708 recruited patients.Joint Bone Spine2011;78:598603.
  • 7
    Calin A, Porta J, Fries JF, Schurman DJ.Clinical history as a screening test for ankylosing spondylitis.JAMA1977;237:26134.
  • 8
    Rudwaleit M, Metter A, Listing J, Sieper J, Braun J.Inflammatory back pain in ankylosing spondylitis: a reassessment of the clinical history for application as classification and diagnostic criteria.Arthritis Rheum2006;54:56978.
  • 9
    Jenkinson TR, Mallorie PA, Whitelock HC, Kennedy LG, Garrett SL, Calin A.Defining spinal mobility in ankylosing spondylitis (AS): the Bath AS Metrology Index.J Rheumatol1994;21:16948.
  • 10
    Heuft-Dorenbosch L, Spoorenberg A, van Tubergen A, Landewe R, van ver Tempel H, Mielants H, et al.Assessment of enthesitis in ankylosing spondylitis.Ann Rheum Dis2003;62:12732.
  • 11
    Jones SD, Steiner A, Garrett SL, Calin A.The Bath Ankylosing Spondylitis Patient Global Score (BAS-G).Br J Rheumatol1996;35:6671.
  • 12
    Garrett S, Jenkinson T, Kennedy LG, Whitelock H, Gaisford P, Calin A.A new approach to defining disease status in ankylosing spondylitis: the Bath Ankylosing Spondylitis Disease Activity Index.J Rheumatol1994;21:228691.
  • 13
    Calin A, Garrett S, Whitelock H, Kennedy LG, O'Hea J, Mallorie P, et al.A new approach to defining functional ability in ankylosing spondylitis: the development of the Bath Ankylosing Spondylitis Functional Index.J Rheumatol1994;21:22815.
  • 14
    Guillemin F, Briancon S, Pourel J, Gaucher A.Long-term disability and prolonged sick leaves as outcome measurements in ankylosing spondylitis: possible predictive factors.Arthritis Rheum1990;33:10016.
  • 15
    Perneger TV, Leplege A, Etter JF, Rougemont A.Validation of a French-language version of the MOS 36-Item Short Form Health Survey (SF-36) in young healthy adults.J Clin Epidemiol1995;48:105160.
  • 16
    Doward LC, Spoorenberg A, Cook SA, Whalley D, Helliwell PS, Kay LJ, et al.Development of the ASQoL: a quality of life instrument specific to ankylosing spondylitis.Ann Rheum Dis2003;62:206.
  • 17
    Lukas C, Landewe R, Sieper J, Dougados M, Davis J, Braun J, et al.Development of an ASAS-endorsed disease activity score (ASDAS) in patients with ankylosing spondylitis.Ann Rheum Dis2009;68:1824.
  • 18
    Averns HL, Oxtoby J, Taylor HG, Jones PW, Dziedzic K, Dawes PT.Radiological outcome in ankylosing spondylitis: use of the Stoke Ankylosing Spondylitis Spine Score (SASSS).Br J Rheumatol1996;35:3736.
  • 19
    Chung HY, Machado P, van der Heijde D, D'Agostino MA, Dougados M.HLA-B27 positive patients differ from HLA-B27 negative patients in clinical presentation and imaging: results from the DESIR cohort of patients with recent onset axial spondyloarthritis.Ann Rheum Dis2011;70:19306.
  • 20
    Hosmer DW, Lemeshow S.Applied logistic regression.New York:John Wiley & Sons;1989.
  • 21
    Steyerberg EW, Eijkemans MJ, Harrell FE Jr, Habbema JD.Prognostic modeling with logistic regression analysis: a comparison of selection and estimation methods in small data sets.Stat Med2000;19:105979.
  • 22
    Dagfinrud H, Mengshoel AM, Hagen KB, Loge JH, Kvien TK.Health status of patients with ankylosing spondylitis: a comparison with the general population.Ann Rheum Dis2004;63:160510.
  • 23
    Dagfinrud H, Vollestad NK, Loge JH, Kvien TK, Mengshoel AM.Fatigue in patients with ankylosing spondylitis: a comparison with the general population and associations with clinical and self-reported measures.Arthritis Rheum2005;53:511.
  • 24
    Roussou E, Sultana S.Spondyloarthritis in women: differences in disease onset, clinical presentation, and Bath Ankylosing Spondylitis Disease Activity and Functional indices (BASDAI and BASFI) between men and women with spondyloarthritides.Clin Rheumatol2011;30:1217.
  • 25
    Calin A, Brophy S, Blake D.Impact of sex on inheritance of ankylosing spondylitis: a cohort study.Lancet1999;354:168790.
  • 26
    Kristensen LE, Karlsson JA, Englund M, Petersson IF, Saxne T, Geborek P.Presence of peripheral arthritis and male sex predicting continuation of anti–tumor necrosis factor therapy in ankylosing spondylitis: an observational prospective cohort study from the South Swedish Arthritis Treatment Group Register.Arthritis Care Res (Hoboken)2010;62:13629.
  • 27
    Glintborg B, Ostergaard M, Krogh NS, Dreyer L, Kristensen HL, Hetland ML.Predictors of treatment response and drug continuation in 842 patients with ankylosing spondylitis treated with anti-tumour necrosis factor: results from 8 years' surveillance in the Danish nationwide DANBIO registry.Ann Rheum Dis2010;69:20028.