Number (percentage) of patients with positive antibodies | ||||
---|---|---|---|---|
 | Anti-MCV | Anti-CCP | IgM-RF | |
 | Cutoff 20 U/mL | Cutoff 28 U/mL |  |  |
Psoriatic arthritis (n = 51) | 6 (11.8) | 5 (9.8) | 5 (9.8) | 5 (9.8) |
Primary Sjögren syndrome (n = 58) | 6 (10.3) | 6 (10.3) | 6 (10.3) | 15 (25.8) |
Ankylosing spondylitis (n = 49) | 3 (6.1) | 2 (4.1) | 1 (2) | 1 (2) |
Healthy controls (n = 50) | 5 (10) | 0 (0) | 0 (0) | 0 (0) |
Total (n = 208) | 20 (9.6) | 13 (6.2) | 12 (5.8) | 21 (10.1) |