Correlation between Vitamin D Deficiencyand Rheumatoid Arthritis Patients.

Relationship between Serum 25-Hydroxyvitamin D Levels, Disease Activity and Anti-Cyclic Citrullinated Peptide Antibody Levels in Indian Rheumatoid Arthritis Patients

“…To determine the correlation between the disease activity and 25-OH vitamin D status in RA patients Spearman's correlation coefficient was used. We used the threshold of 50 nmol/l to define 25-OH vitamin D deficiency based on recent literature [19]. To evaluate distribution of patients and controls across 25-OH vitamin D status groups (deficiency, insufficiency and sufficiency), Chi-square test was applied.…”