Are the Therapeutic Effects of Huangqi (Astragalus membranaceus) on Diabetic Nephropathy Correlated with Its Regulation of Macrophage iNOS Activity?

Figure 1

Flowchart on clinical trials. Note. ^#Total references included 243 from the Chinese journal full-text database of China National Knowledge Infrastructure and 113 from Wanfang database. The diabetes mellitus should be diagnosed according to the diagnostic criteria of the WHO (1980, 1985, or 1999) or the American Diabetes Association (1997 or 2010), and the stages of diabetic nephropathy should be diagnosed according to Mogensen’s criteria for stage diagnosis [1].