Fig. 4From: The association between genetic polymorphisms in ABCG2 and SLC2A9 and urate: an updated systematic review and meta-analysisSummary of pooled genotype effects on mean difference of serum urate. a Increasing risk effects b Decreasing risk effects. ABCG2, ATP-binding cassette sub-family G member 2; CI, confidence interval; MD, mean difference; SLC2A9, solute carrier family 2 member 9; SNP, single nucleotide polymorphismBack to article page