Table 2.
Associations of parameters of endothelial dysfunction and SSc-specific clinical changes with vitamin D deficiency and insufficiency.
| 25-(OH)-D < 20 ng/ml | 25-(OH)-D < 30 ng/ml | |
|---|---|---|
| FMD < 7% | 0.736 | 0.593 |
| NMD < 15.6% | 0.592 | 0.171 |
| PWV > 10 m/s | 0.357 | 0.472 |
| Present sclerodactylyl | 0.871 | 0.743 |
| Present telangiectasia | 0.740 | 0.351 |
| Present puffy finger | 0.046 | 0.544 |
| Early pattern | 0.040 | 0.472 |
| Active pattern | 0.906 | 0.459 |
| Late pattern | 0.611 | 0.858 |
| Mild periodontitis | 0.176 | 0.326 |
| Severe periodontitis | 0.292 | 0.536 |
| EUSTAR index ≥2.5 | 0.368 | 0.629 |
Asymptotic p-values of chi-square test. 25-(OH)-D, 25-hydroxyvitamin D3; EUSTAR, European Scleroderma Trials and Research Group; FMD, flow-mediated dilation; NMD, nitroglycerin-mediated dilation; PWV, pulse-wave velocity.