Baser, Onur; Baser, Erdem; Altinbas, Akif; Burkan, … - In: Health economics review 3 (2013) 5, pp. 1-7
Objective: This study aimed to apply the previously validated severity index for rheumatoid arthritis (SIFRA) to prevalent rheumatoid arthritis (RA) groups in Turkey and determine the effect of RA severity on health care costs and biologic use. Methods: This retrospective study used the Turkish...