RA, n = 84 | Healthy, n = 27 | SLE, n = 37 | PsA, n = 37 | |
---|---|---|---|---|
Anti-CCP2+ | 74 (88) | 0 (0) | 2 (5) | 1 (3) |
AHCFA+ | 41 (49) | 0 (0) | 2 (5) | 1 (3) |
ACFA+ | 58 (69) | 0 (0) | — | — |
AHCFA+, ACFA+ | 36 (43) | 0 (0) | — | — |
AHCFA−, ACFA+ | 22 (26) | 0 (0) | — | — |
AHCFA+, ACFA− | 5 (6) | 0 (0) | — | — |
RA: rheumatoid arthritis; SLE: systemic lupus erythematosus; PsA: psoriatic arthritis; anti-CCP2: anticyclic citrullinated peptide; AHCFA: antihomocitrullinated fibrinogen antibodies; ACFA: anticitrullinated fibrinogen antibodies.