Table 1 Characteristics of patients with myositis-associated ILD
Characteristic | N (%) |
|---|---|
Gender (male/female) | 15/41 |
Age (y) | 60 (range, 50–66) |
Clinical diagnosis | |
Polymyositis | 7 (13%) |
Dermatomyositis | 28 (50%) |
Clinically amyopathic dermatomyositis | 21 (38%) |
Myositis-specific autoantibodies | |
anti-ARS Ab | 26 (46%) |
anti-Jo-1 Ab | 11 (20%) |
anti-PL-7 Ab | 6 (11%) |
anti-KS Ab | 3 (5%) |
anti-PL-12 Ab | 2 (4%) |
anti-EJ Ab | 2 (4%) |
anti-OJ Ab | 2 (4%) |
anti-MDA5 Ab | 10 (18%) |
anti-Ku Ab | 2 (4%) |
anti-TIF1 gamma Ab | 2 (4%) |
Unknown | 16 (29%) |
Total | 56 |