Shared expression of phenotypic markers in systemic sclerosis indicates a convergence of pericytes and fibroblasts to a myofibroblast lineage in fibrosis

Table 2 Correlation of immunohistochemical and clinical data

	Duration (months)	Skin score	Capillary pattern	Collagen synthesis	Myofibroblasts
Patient 1	4	19	L	-	+++
Patient 2	6	24	A	+++	+
Patient 3	7	41	A	-	+++
Patient 4	9	38	N/D	-	+++
Patient 5	9	39	N/D	+++	+++
Patient 6	10	34	A	-	+++
Patient 7	11	40	L	+++	-
Patient 8	14	36	L	-	-
Patient 9	18	32	L	-	-
Patient 10	18	32	L	+++	+++

Immunohistochemistry is quantified as; -, absent, +, weak, +++, strong. Patterns of capillary damage are graded as A, active, L, late or N/D, not determined.

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