Table 2.

Correlation between skin calcification parameters and clinical variables

	CA	CD	CS
CD	0.67	1	NS
Elastic fiber number	− 0.74	NS	NS
Elastic fiber length	− 0.42	NS	− 0.586
Onset	NS	NS	NS
Duration	0.48	NS	0.40
Visual acuity	NS	NS	NS
ABI	NS	NS	NS
Aortic calcification	− 0.44	NS	NS
Peripheral atherosclerosis	0.44	0.41	0.45
Number of affected typical skin sites	0.48	NS	0.49
Phenodex + score	0.435	0.46	0.503
S-score	NS	NS	NS
E-score	NS	NS	NS
G-score	NS	NS	NS
C-score	NS	NS	NS
V-score	0.434	0.539	0.507
R-score	NS	NS	NS

Parameters in the first column were correlated with Calcification area (CA), calcification density (CD) and calcification score (CS) of the same patient. A positive value indicates positive correlation, a negative value refers to an inverse correlation. Spearman’s r is presented for significant relationships. Nonsignificant correlations are marked as NS

ABI ankle-brachial index, C cardiac, CA calcification area, CD calcification density, CS total calcification score, E eye, G gastrointestinal, R renal, S skin, V vessel