Fig. 1

Percentage of C-reactive protein (CRP) tests subsequently elevated or normal by previous CRP level.
Based on all available within-patient pairs of CRP assessment 4 or 12 weeks apart. Data included are from weeks 0, 4, 8, 12, 16, 20, and 24. Elevated CRP was defined as CRP > ULN (7.9 mg/L) and values ≤ 7.9 mg/L were considered normal