Table 3 Diagnosis by rheumatologist at baseline and at next visit for all subjects and their anti-CCP and RF status
Diagnosis at baseline, n = 292Diagnosis at next-follow-up, n = 292nAnti-CCP+, n (%)RF+, n (%)
RA, n = 42RA3916 (41)18 (46)
Possible/probable100
Not RA200
Possible/probable RA, n = 100RA186 (33)8 (44)
Possible/probable526 (12)7 (13)
Not RA3002 (7)
Not RA, n = 150RA125 (42)4 (33)
Possible/probable112 (18)2 (18)
Not RA1277 (6)9 (7)
  • Anti-CCP, antibodies to cyclic citrullinated peptide; RA, rheumatoid arthritis.