Fig. 1From: Association between the MCP-1 -2518 A > G (rs1024611) polymorphism and susceptibility to type 2 diabetes mellitus and diabetic nephropathy: a meta-analysisFlow chart illustrating the trial structure. Abbreviations: CNKI, China National Knowledge Infrastructure; T2DM, type 2 diabetes mellitus; DN, diabetic nephropathy; HWE, Hardy–Weinberg equilibriumBack to article page