The aim of this study is to evaluate the relationship between decrease in work productivity and social activities in patients with Ankylosing Spondylitis (AS) with disease activity, depression and quality of life together with demographic data.

For this study, which is planned as a cross-sectional clinical study, 100 patients who were diagnosed with AS between the ages of 18-65 and who applied to the Istanbul Physical Therapy Rehabilitation SUAM Physical Medicine and Rehabilitation Outpatient Clinic between April 15, 2019, and April 15, 2020, and 100 healthy volunteers compatible with age. was included. Demographic data of the participants were recorded. Work productivity and activity reduction questionnaire: general health (WPAI: GH), social role participation questionnaire short form (SRPQ), short form-36 (SF-36), hospital anxiety, and depression scale (HADS), will be evaluated. Besides, if the patient group exists, laboratory results (CRP, erythrocyte sedimentation rate, HLA-B27), and bath ankylosing spondylitis functional index (BASFI), bath ankylosing spondylitis disease activity index (BASDAI), Bath ankylosing spondylitis metrology index (BASMI), visual analog scale (VAS) resting, night and activity values were recorded.

Inclusion Criteria:

• Patients with AS diagnosis between the ages of 18-65
• Healthy volunteer individuals between the ages of 18-65 without known musculoskeletal disease

Exclusion Criteria:

• Those with serious systemic diseases that may interfere with working (respiratory system, cardiovascular system, renal and metabolic diseases)
• Those with orthopedic and psychiatric diseases
• Those with inflammatory diseases other than known AS
• Pregnant
• People with disability due to the history of trauma
• Those with injury after the operation
• Those with diseases that cause neurological sequelae

For this study, which is planned as a cross-sectional clinical study, 100 patients who were diagnosed with AS between the ages of 18-65 and who applied to the Istanbul Physical Therapy Rehabilitation SUAM Physical Medicine and Rehabilitation Outpatient Clinic between April 15, 2019, and April 15, 2020, and 100 healthy volunteers compatible with age was included.