Table 2 Frequency of multiple autoantibodies in 100 patients with autoimmune myositis
Additional antibodiesa | Autoantibodies | Patients (total) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Ku (n = 23) | tRNA (n = 22) | U1RNP (n = 15) | Fibrillarin (n = 14) | PM-Scl (n = 9) | SSc (n = 9) | NUP (n = 3) | SRP (n = 2) | Ro (n = 31) | La (n = 14) | Mi-2 (n = 6) | No antibody (n = 20) | = 1 antibody (n = 80) |
None | 7 (31) | 4 (18) | 6 (40) | 1 (7) | 2 (22) | 1 (11) | 2 (67) | 2 (100) | 4 (13) | 3 (21) | 3 (50) | 0 | 36 (36)b |
1 more | 7 (31) | 8 (36) | 6 (40) | 4 (28) | 4 (44) | 3 (33) | 1 (33) | 0 | 12 (39) | 4 (29) | 2 (33) | 0 | 26 (26) |
2 more | 5 (21) | 6 (28) | 2 (13) | 6 (43) | 1 (12) | 3 (33) | 0 | 0 | 10 (32) | 4 (29) | 0 | 0 | 12 (12) |
≥3 more | 4 (17) | 4 (18) | 1 (7) | 3 (22) | 2 (22) | 2 (23) | 0 | 0 | 5 (16) | 3 (21) | 1 (17) | 0 | 6 (6) |