Fig. 2From: Persistence rates of abatacept and TNF inhibitors used as first or second biologic DMARDs in the treatment of rheumatoid arthritis: 9 years of experience from the Rhumadata® clinical database and registryMultivariate analysis showing the predictors of biologic failure when used in patients with an inadequate response to a first bDMARD (second-line biologic initiation cohort). CI, confidence interval; COX2, cyclooxygenase 2; DAS28-4, disease activity score in 28 joints (four variables); ESR, erythrocyte sedimentation rateBack to article page