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Table 2 Relationship between low serum levels of vitamin D and clinical/serological manifestations of undifferentiated connective tissue disease patients

From: Vitamin D deficiency in undifferentiated connective tissue disease

Correlation between clinical symptoms and vitamin D insufficiency P value OD
(95% CI)
Xerostomia/xerophtalmia 0.8276 0.8909
(0.3768–2.107)
Polyarthritis 0.4834 0.7621
(0.3772–1.540)
Skin lesion 0.0046 2.987
(1.397–6.385)
Pleuritis 0.0346 5.367
(1.078–26.719)
Central and peripheral nervous system manifestations 1 0.8344
(0.1924–3.619)
Raynaud phenomenon 0.5331 0.7407
(0.3178–1.726)
Oesophageal involvement 0.3448 1.650
(0.6569–4.144)
Correlation between antibodies and vitamin D insufficiency   
Anti-U1-ribonucleoprotein antibody 0.0240 5.083
(1.286–20.094)
Anti-SSA antibody 0.029 3.474
(1.147–10.520)
Anti-cyclic citrullinated peptide antibody 0.0001 12.0
(3.541–42.036)
Anti-double-stranded DNA antibody 0.2551 0.4896
(0.1751–1.369)
Anti-neutrophil cytoplasmic antibody 0.2978 0.4024
(0.064–2.51)
Anti-cardiolipin antibody 0.3728 1.715
(0.6535–4.501)
Anti-SSB antibody 0.2945 0.5254
(0.1484–1.860)
  1. OD, Odds ratio; CI, confidence interval