Table 3. Clinical characteristics of patients used for measurement of circulating cytokines.

	Limited cutaneous SSc	Late diffuse cutaneous SSc	Early diffuse cutaneous SSc
Number	110	34	33
N females (%)	89 (81)	26 (76)	27 (82)
Age at onset	43.3±8.9	42.7±11.7	41.3±9.8
Disease duration	11.2±7.1	8.1±5.3	1.5±0.8
ANA positivity	100%	77%	92%
Pulmonary hypertension	37%	19%	18%
Lung fibrosis	22%	47%	30%
Current Therapies
MMF	0%	7%	8%
Cyclophosphamide	0%	16%	33%
Prednisolone	14%	11%	23%
Hydroxychloroquine	3%	0%	0%
anti-IL-3	0%	0%	0%
Methotrexate	0%	0%	0%
Tacrolimus	0%	0%	0%