Table 1.

Baseline characteristics

Group/variables	SSc (n = 23)	lcSSc (n = 16)	dcSSc (n = 7)
Mean age (years)	35.7 ± 12.7	36.5 ± 13.6	33.7 ± 11.1
Female: male	20:3	14:2	6:1
Mean mRSS	20.5 ± 7.7	17.5 ± 3.8	27.5 ± 10.0
Mean BMI	21.3 ± 3.0	21.4 ± 3.0	21.3 ± 3.2
Duration of GI symptoms in years (median, IQR)	2 (0.5, 4.0)	2.5 (0.5, 4.75)	1.0 (1.0, 4.0)
Duration of skin tightening in years (median, IQR)	3.0 (1.5, 6.0)	4.0 (2.0, 8.25)	2.0 (1.0, 5.0)
Raynaud's phenomenon	23	16	7
Sclerodactyly	23	16	7
Digital pitting scars	21	15	6
Skin pigmentation	23	16	7
Telengiectasia	11	9	2
Digital infarct	6	3	3
Calcinosis	5	5	0
Regurgitation	19	12	7
Heartburn	16	10	6
dysphagia	10	6	4
Mean hemoglobin (mg/dL)	11.2 ± 1.8	10.9 ± 1.9	11.9 ± 1.2
Mean albumin (g/dL)	4.2 ± 0.4	4.1 ± 0.4	4.3 ± 0.4

BMI, body mass index; dcSSc, diffuse cutaneous; GI, gastrointestinal; IQR, interquartile range; lcSSc, limited cutaneous; mRSS, modified Rodnan skin score; SSc, systemic sclerosis.