Table 2

 Diagnosis at 1 year of follow up in 467 patients with arthritis enrolled in the Early Arthritis Cohort associated with the presence of anti-CCP1 and CCP2 antibodies at baseline

DiagnosisAllAnti-CCP1 positiveAnti-CCP2 positive
Rheumatoid arthritis1536582
Undifferentiated arthritis10767
Crystal induced arthritis3800
Spondyloarthropathy2902
Psoriatic arthritis2801
Mixed connective tissue disease2510
Osteoarthritis2500
Reactive arthritis1601
Sarcoidosis1200
Malignancy related600
Post-traumatic arthritis500
Palindromic rheumatism411
Septic arthritis500
Lyme arthritis500
Systemic lupus erythematosus400
Juvenile chronic arthritis101
Other400
Total4677395