- Frequency for type of autoantibody (N=26).
| Type of autoantibody | n | % |
| Anti Jo-1 | ||
| Positive | 5 | 19.2 |
| Negative | 21 | 80.8 |
| Anti-nuclear antibody (ANA) | ||
| Positive | 17 | 68.0 |
| Negative | 8 | 32.0 |
| ANA pattern | ||
| Speckled | 8 | 30.8 |
| Nucleolar | 5 | 19.2 |
| Not available | 1 | 3.8 |
| Negative | 7 | 26.9 |
| Homogeneous | 5 | 19.2 |