Serum Vitamin D Level and Rheumatoid Arthritis Disease Activity: Review and Meta-Analysis
Fig 4
Forest plots of disease activity and serum vitamin D levels in RA patients.
Summary of Fisher’s z tests with corresponding 95% confidence intervals for the relationship between: A) serum vitamin D levels and DAS28 scores; B) serum vitamin D levels and serum CRP levels; C) serum vitamin D levels and erythrocyte sedimentation rate.