Fig. 4

Difference in 6mΔeGFR in subgroups divided based on the number of vascular risk factors. ΔeGFR after 6 months (6mΔeGFR) were analyzed by dividing patients into mean serum uric acid (mUA) level < 6.0 mg/dl vs. mUA ≥ 6.0 mg/dl groups. The analyses were performed in subgroups divided based on the number of vascular risk factors. a No vascular risk factors (n = 30), b with one vascular risk factors (n = 55), c with two vascular risk factors (n = 48), d with three or four vascular risk factors (n = 45). ΔeGFR represent the mean ± SE. *p < 0.05, compared with baseline UA level in each group (Wilcoxon signed-rank test). # p < 0.05; comparison between mUA < 6.0 and mUA ≥ 6.0 mg/dl groups (Mann-Whitney U test)