Parameter | Group A(n = 15) | Group G(n = 17) |
Asthenia | 13 | 10 |
Weight loss | 7 | 4 |
Fever (>38.5°C) | 10 | 4 |
Arthralgia | 9 | 14 |
Arthritis | 2 | 3 |
Clubbing | 0 | 1 |
Isolated dyspnoea | 8 | 10 |
Dyspnoea and dry cough | 7 | 7 |
Crackles | 15 | 17 |
Raynaud’s phenomenon | 4 | 4 |
Sicca syndrome | 1 | 2 |
Gottron’s papules | 2 | 1 |
Heliotrope rash | 2 | 3 |
Mechanics’ hand | 3 | 6 |
Dyspnoea NYHA III/IV | 15 | 7 |
Myalgia | 5 | 6 |
Creatine kinase >2 | 5 | 7 |
Electromyography* | 6 | 4 |
Autoantibodies† | 1 | 9 |
Group A, acute onset of interstitial lung disease; group G, gradual onset of interstitial lung disease.
*Electromyography showing myopathic pattern (perfomed in 28/32 patients.
†Rheumatoid factor, Ro/SSa and La/SSb.