CRP and lung disorder: On multivariate analysis for index-based remission, the presence of FAA was significantly associated with a reduced likelihood of remission in DAS28 ESR, DAS28-CRP, SDAI, CDAI, and RAPID3 after adjusting for age, duration of disease, presence of RF, presence of anti-CCP, existence of lung disease, use of MTX, and previous use of bDMARDs (Table 2).