Assessment of T Regulatory Cells and Expanded Profiling of Autoantibodies May Offer Novel Biomarkers for the Clinical Management of Systemic Sclerosis and Undifferentiated Connective Tissue Disease

Table 1

Clinical and demographic characteristics of patients.

Sex; F/M	lcSSc (14)	dcSSc (11)	UCTD (23)
	14/0	8/3	23/0
Age range; (median yrs)	41–66; (56)	35–80; (68)	18–73; (51)
Disease duration range; (median yrs)	7–20; (12)	6–30; (24)	3–20; (8)
Raynaud's phenomenon; P/N	14/0	11/0	23/0
Fingertip ulcers; P/N	14/0	11/0	14/9
Pulmonary arterial hypertension; P/N	0/14	7/4	2/21
Pulmunary fibrosis; P/N	0/14	7/4	0/23
Therapy; (iloprost)	Yes	Yes	Yes