“…8 It is based on the clinical features including fatigue, headache, oral and genital ulcers, skin lesions, joint involvement, gastrointestinal system involvement, eye involvement, central nervous system involvement, major vessel involvement and patient's and doctor's global assessment of disease activity. 6 Its adaptation to Turkish language and validation were proven by Hamuryudan et al 9 The aim of our study is two-fold: (i) to determine disease activity in Turkish patients with BD; (ii) to evaluate the possible associations of disease activity with quality of life (QoL), pain, fatigue, and functional and psychological status.…”