Table 1

 Baseline characteristics at 1 year of 467 of patients with arthritis enrolled in the Early Arthritis Cohort

CharacteristicValue
Age (years), median (range)49 (16–93)
Female (%)55
Symptom duration at baseline (months), median (range)3 (0–24)
IgM rheumatoid factor positive (%)23
Anti-CCP1 antibody positive (%)16
Anti-CCP2 antibody positive (%)20
Swollen joints (n), median (range)2 (1–14)
Erosions in hands and/or feet (%)11