Table 1. Characteristics of patients with systemic sclerosis (n=108).

	n	%	Mean±SD
Age (year)			50.1±13.5
Gender
Female	95
Male	13
Duration (year)			5.3±4.3
Subtype
Diffuse	49
Limited	59
Positive antinuclear antibody	104	96,3
Anti-scleroderma 70	36	33,3
Anti-centromere Ab	42	38,9
White blood cells (µL)			6944.5±2283.0
Platelet (¥103/µL)			257.6±75.3
Erythrocyte sedimentation rate (mm/h)			31.6±24.9
C-reactive protein (mg/dL)			0.69±2.3
Raynaud’s phenomenon	106	98,1
Sclerodactyly	97	89,8
Skin rash	28	25,9
Digital ulcers	27	25,0
Arthritis	57	52,8
Gastrointestinal involvement	44	40,7
Interstitial lung disease	43	39,8
Pulmonary hypertension	13	12,0
SD: Standard deviation.