Table 1.

Demographics and clinical features of dermatomyositis patients

	No. (%)
Demographics
Age of disease onset, mean ± SD years	49.5 ± 15.0
Female	108 (71.0)
Smoker	30 (20.8)
Race
White	89 (65.0)
Asian	25 (18.3)
African American	6 (4.4)
Hispanic	17 (12.4)
Time to followup, mean ± SD years	2.42 ± 3.0
Clinical features
Cutaneous ulcers	43 (28)
Raynaud’s phenomenon	30 (19.9)
Dysphagia	61 (40.1)
Calcinosis	15 (9.9)
Cancer	22 (14.5)
Interstitial lung disease	29 (19.1)
Clinically amyopathic	31 (20.4)
Arthritis/arthralgia	68 (45.3)