___

• Akkoc, Y., Karatepe, A. G., Akar, S., Kirazli, Y., & Akkoc, N. (2005). A Turkish version of the bath ankylosing spondylitis disease activity index: reliability and validity. Rheumatology international, 25(4), 280-284.
• Alkan, B. M., Fidan, F., Erten, Ş., Aksekili, H., Alemdar, A., Eroğlu, E., et al. (2013). Fatigue and correlation with disease-specific variables, spinal mobility measures, and health-related quality of life in ankylosing spondylitis. Modern rheumatology, 23(6), 1101-1107.
• Almodóvar, R., Zarco, P., Collantes, E., González, C., Mulero, J., FernándezSueiro, J., et al. (2009). Relationship between spinal mobility and disease activity, function, quality of life and radiology. A cross-sectional Spanish registry of spondyloarthropathies (REGISPONSER). Clinical & Experimental Rheumatology, 27(3), 439.
• Ariza-Ariza, R., Hernández-Cruz, B., & Navarro-Sarabia, F. (2003). Physical function and health- related quality of life of Spanish patients with ankylosing spondylitis. Arthritis care & research, 49(4), 483-487.
• Belza, B. L., Henke, C. J., Yelin, E. H., Epstein, W. V., & Gilliss, C. L. (1993). Correlates of fatigue in older adults with rheumatoid arthritis. Nursing research.
• Bodur, H., Ataman, Ş., Rezvani, A., Buğdaycı, D. S., Çevik, R., Birtane, M., et al. (2011). Quality of life and related variables in patients with ankylosing spondylitis. Quality of Life Research, 20(4), 543-549.
• Bostan, E. E., Borman, P., Bodur, H., & Barca, N. (2003). Functional disability and quality of life in patients with ankylosing spondylitis. Rheumatology international, 23(3), 121-126
• Braun, J., & Sieper, J. (2007). Ankylosing spondylitis. The Lancet, 369(9570), 1379-1390.
• Calin, A., Garrett, S., Whitelock, H., Kennedy, L., O’hea, J., Mallorie, P., & Jenkinson, T. (1994). A new approach to defining functional ability in ankylosing spondylitis: the development of the Bath Ankylosing Spondylitis Functional Index. The Journal of rheumatology, 21(12), 2281-2285.
• Dagfinrud, H., Vollestad, N. K., Loge, J. H., Kvien, T. K., & Mengshoel, A. M. (2005). Fatigue in patients with ankylosing spondylitis: a comparison with the general population and associations with clinical and selfreported measures. Arthritis care & research, 53(1), 5-11.
• Dalyan, M., Güner, A., Tuncer, S., Bilgiç, A., & Arasıl, T. (1999). Disability in ankylosing spondylitis. Disability and rehabilitation, 21(2), 74-79.
• Doward, L., Spoorenberg, A., Cook, S., Whalley, D., Helliwell, P., Kay, L., et al. (2003). Development of the ASQoL: a quality of life instrument specific to ankylosing spondylitis. Annals of the rheumatic diseases, 62(1), 20-26.
• Duruöz, M., Doward, L., Turan, Y., Cerrahoglu, L., Yurtkuran, M., Calis, M., et al. (2013). Translation and validation of the Turkish version of the ankylosing spondylitis quality of life (ASQoL) Questionnaire. Rheumatology international, 33(11), 2717-2722.
• Feldtkeller, E., Khan, M., Van Der Heijde, D., Van Der Linden, S., & Braun, J. (2003). Age at disease onset and diagnosis delay in HLA-B27 negative vs. positive patients with ankylosing spondylitis. Rheumatology international, 23(2), 61-66.
• Garrett, S., Jenkinson, T., Kennedy, L. G., Whitelock, H., Gaisford, P., & Calin, A. (1994). A new approach to defining disease status in ankylosing spondylitis: the Bath Ankylosing Spondylitis Disease Activity Index. The Journal of rheumatology, 21(12), 2286-2291.
• Günaydin, R., Karatepe, A. G., Çeşmeli, N., & Kaya, T. (2009). Fatigue in patients with ankylosing spondylitis: relationships with diseasespecific variables, depression, and sleep disturbance. Clinical rheumatology, 28(9), 1045-1051.
• Hayran, M. (2011). Sağlık araştırmaları için temel istatistik: Omega Araştırma.
• Kotsis, K., Voulgari, P. V., Drosos, A. A., Carvalho, A. F., & Hyphantis, T. (2014). Health-related quality of life in patients with ankylosing spondylitis: a comprehensive review. Expert review of pharmacoeconomics & outcomes research, 14(6), 857-872.
• Landewé, R., Dougados, M., Mielants, H., van der Tempel, v. d. H., & van der Heijde, D. (2009). Physical function in ankylosing spondylitis is independently determined by both disease activity and radiographic damage of the spine. Annals of the rheumatic diseases, 68(6), 863-867.
• Missaoui, B., & Revel, M. (2006). Fatigue in ankylosing spondylitis. Paper presented at the Annales de réadaptation et de médecine physique.
• Ozer, H. T., Sarpel, T., Gulek, B., Alparslan, Z. N., & Erken, E. (2005). The Turkish version of the Bath Ankylosing Spondylitis Functional Index: reliability and validity. Clinical rheumatology, 24 (2), 123-128.
• Schneeberger, E. E., Marengo, M. F., Dal Pra, F., Cocco, J. A. M., & Citera, G. (2015). Fatigue assessment and its impact in the quality of life of patients with ankylosing spondylitis. Clinical rheumatology, 34(3), 497-501.
• Sieper, J., Braun, J., Rudwaleit, M., Boonen, A., & Zink, A. (2002). Ankylosing spondylitis: an overview. Annals of the rheumatic diseases, 61(suppl3), iii8-iii18.
• Stebbings, S. M., Treharne, G. J., Jenks, K., & Highton, J. (2014). Fatigue in patients with spondyloarthritis associates with disease activity, quality of life and inflammatory bowel symptoms. Clinical rheumatology, 33(10), 1467-1474.
• Turan, Y., Duruöz, M. T., Bal, S., Guvenc, A., Cerrahoglu, L., & Gurgan, A. (2007). Assessment of fatigue in patients with ankylosing spondylitis. Rheumatology international, 27(9), 847-852.
• Van Tubergen, A., Coenen, J., Landewé, R., Spoorenberg, A., Chorus, A., Boonen, A., et al. (2002). Assessment of fatigue in patients with ankylosing spondylitis: a psychometric analysis. Arthritis care & research, 47(1), 8-16.
• Wanders, A., Landewe, R., Dougados, M., Mielants, H., Van der Linden, S., & Van Der Heijde, D. (2005). Association between radiographic damage of the spine and spinal mobility for individual patients with ankylosing spondylitis: can assessment of spinal mobility be a proxy for radiographic evaluation? Annals of the rheumatic diseases, 64(7), 988-994.
• Ward, M. M. (1999). Health related quality of life in ankylosing spondylitis: a survey of 175 patients. Arthritis care & research, 12(4), 247-255.
• Yang, X., Fan, D., Xia, Q., Wang, M., Zhang, X., Li, X., et al. (2016). The healthrelated quality of life of ankylosing spondylitis patients assessed by SF-36: a systematic review and meta-analysis. Quality of Life Research, 25(11), 2711-2723.
• Zhao, L., Liao, Z., Li, C., Li, T., Wu, J., Lin, Q., et al. (2007). Evaluation of quality of life using ASQoL questionnaire in patients with ankylosing spondylitis in a Chinese population. Rheumatology international, 27(7), 605-611.
• Zochling, J. (2011). Measures of symptoms and disease status in ankylosing spondylitis: Ankylosing Spondylitis Disease Activity Score (ASDAS), Ankylosing Spondylitis Quality of Life Scale (ASQoL), Bath Ankylosing Spondylitis Disease Activity Index (BASDAI), Bath Ankylosing Spondylitis Functional Index (BASFI), Bath Ankylosing Spondylitis Global Score (BAS‐G), Bath Ankylosing Spondylitis Metrology Index (BASMI), Dougados Functional Index (DFI), and Health Assessment Questionnaire for the Spondylarthropathies HAQ‐S). Arthritis care & research, 63(S11).
• Zochling, J., Braun, J., & van der Heijde, D. (2006). Assessments in ankylosing spondylitis. Best Practice & Research Clinical Rheumatology, 20(3), 521- 537.