Figure 1From: Anti-cyclic citrullinated peptide antibody titer predicts time to rheumatoid arthritis onset in patients with undifferentiated arthritis: results from a 2-year prospective studyTime to reach rheumatoid arthritis (RA) diagnosis according to anti-cyclic citrullinated peptide 2 (CCP2) levels in 192 patients with undifferentiated arthritis. Data were analyzed by Kaplan-Meier analysis and the log-rank test.Back to article page