Fig. 1From: Low serum vitamin D concentration is correlated with anemia, microinflammation, and oxidative stress in patients with peritoneal dialysisSerum 25(OH)D concentrations were downregulated in patients with PD. A Serum 25(OH)D concentrations in both groups were analyzed. B ROC analysis of serum 25(OH)D concentrations. Violin plot was used to show the data. ***p < 0.001, Mann–Whitney testBack to article page