Comparison of accuracy between flash glucose monitoring and continuous glucose monitoring in patients with type 2 diabetes mellitus undergoing hemodialysis

•Thirteen T2D patients undergoing HD simultaneously underwent FGM, CGM and SMBG.•Overall, FGM and CGM were 95.4% and 98.9% within the Zone A + B of Parks Error Grid.•During HD, FGM and CGM were 86.9% and 95.0% within the Zone A + B.•The MARD for FGM was significantly higher than that for CGM.