Ultrasound assessment of skin thickness and stiffness: the correlation with histology and clinical score in systemic sclerosis

Table 2 Clinical features of SSc patients undergoing skin biopsy

Features	N = 13
Gender (female/male)	7/6
Age (IQR), years	55 (51–57)
Disease subtype (dcSSc/lcSSc)	9/4
Disease duration^a (IQR), years	2 (0.8–5)
Local mRSS^b (0/1/2/3)	3/4/3/3
Total mRSS^c (IQR)	19 (7–24)
Antibody positivity (ATA/ACA/ARA)	6/2/0

SSc systemic sclerosis, dcSSc diffuse cutaneous SSc, lcSSc limited cutaneous SSc, mRSS modified Rodnan skin score, IQR interquartile range, ATA anti-topoisomerase I antibody, ACA anti-centromere antibody, ARA anti-RNA polymerase III antibody
^aDisease duration was calculated from the onset of the first non-Raynaud’s phenomenon
^bLocal mRSS referred to the mRSS in the biopsy region (unilateral forearm)
^cTotal mRSS referred to the total mRSS assessed at 17 body sites

ISSN: 1478-6362