Variables

Population (n = 55)

Demographics

Age (mean ± SD, years)

30.3 ± 13.1

Gender (women:men)

53:2

Caucasian vs no causasian

34.5:65.5

Smokers vs no smokers

9:46

Disease characteristics

Disease duration* (mean ± SD, years)

4.2 ± 9.6

Self-reported symptoms

Alopecia, n(%)

41 (74.5)

Raynaud phenomenon, n(%)

11 (20)

Skin lesions, n(%)

34 (61.8)

Dyspnea**, n(%)

25 (45.4)

Pleuritic chest pain**, n(%)

19 (34.5)

Dry cough**, n(%)

16 (29.1)

Productive cough**, n(%)

2 (3.6)

Medications at study entry

Prednisone (yes/no)

45

Methotrexate (yes/no)

10

Hydroxychloroquine (yes/no)

50

Mycophenolate mofetil (yes/no)

03

Azathioprine (yes/no)

05