Vitamin D in ankylosing spondylitis: review and meta-analysis
Cai G, Wang L, Fan D, Xin L, Liu L, Hu Y, Ding N, Xu S, Xia G, Jin X, Xu J, Zou Y, Pan F
Published in Clinica Chimica Acta
Methodology
Meta-analysis of 12 studies comparing serum 25-hydroxyvitamin D in ankylosing spondylitis patients versus healthy controls and correlating with disease activity.
Key Findings
Ankylosing spondylitis patients had lower serum vitamin D levels than controls, with an inverse association between vitamin D and BASDAI disease activity.
Conclusions
Low vitamin D status is common in ankylosing spondylitis, though supplementation trials showing clinical benefit are lacking.
Limitations
Cross-sectional data; confounding by reduced outdoor activity; no intervention trials.
Supplements Studied
Lower serum vitamin D in ankylosing spondylitis was inversely associated with BASDAI disease activity.
Related Health Concerns
Study Details
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This information is for educational purposes only. Always consult a healthcare professional before starting any supplement regimen.