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Severe deficiency of 25-hydroxyvitamin D(3) (25-OH-D (3)) is associated with high disease activity of rheumatoid arthritis.
MedLine Citation:
PMID:  23318705     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
This study aims to measure the serum level of 25-hydroxyvitamin D(3) (25-OH-D(3)) in 302 patients with rheumatoid arthritis (RA), studying the association to disease activity. Three hundred two RA patients underwent clinical examination and serological analysis. 25-Hydroxyvitamin D(3) was determined by high-performance liquid chromatography-tandem mass spectrometry. Vitamin D(3) deficiency defined as serum levels of 25-hydroxyvitamin D(3) below 50 nmol/l was detected in 101 RA patients (33.4 %). There was no significant correlation between the serum level of 25-hydroxyvitamin D(3) and Disease Activity Score 28 (DAS28) (3w) score. In a subpopulation of RA patients with very low serum level of 25-OH-D(3) (≤15 nmol/l) (n = 15), there were significant differences compared to patients with normal 25-OH-D(3) (n = 200): higher percentage of patients with positive rheumatoid factor (100.0 versus 77.5 %; p = 0.05), higher CRP (28.7 versus 14.8 mg/l; p = 0.001), higher number of patients treated with at least three disease-modifying antirheumatic drugs (DMARDs) (40.0 versus 14.5 %; p = 0.02), higher number of patients with high disease activity DAS28 score of ≥5.1 (20.0 versus 4.5 %; p = 0.01), lower age (54.5 versus 64.0 years; p = 0.003) and shorter disease duration (5.1 versus 10.3 years; p = 0.06). Deficiency of 25-hydroxyvitamin D(3) was detected in 33.4 % of the RA patients. A subpopulation of patients with severe deficiency of vitamin D(3) serum level of ≤15 nmol/l was characterised by all being positive for rheumatoid factor, high percentage of patients with very high disease activity and high percentage of patients treated with at least three DMARDs.
Authors:
Hans-Jacob Haga; Anne Schmedes; Yusuf Naderi; Alicia Martin Moreno; Elisabeth Peen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-15
Journal Detail:
Title:  Clinical rheumatology     Volume:  -     ISSN:  1434-9949     ISO Abbreviation:  Clin. Rheumatol.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8211469     Medline TA:  Clin Rheumatol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Reumaklinik Danmark, Aalborg University Esbjerg, Havnegade 19, 6700, Esbjerg, Denmark, hjh@reumaklinikdanmark.dk.
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