PMC

SMD in EFT between patients with DM and the non-DM control group. a Meta-analysis; b trial sequential analysis

Flowchart of the study selection process used to identify studies to be included in the meta-analysis

Meta-regression analyses of SMD in EFT between patients with DM and the non-DM control group: a effect of TC on EFT; b effect of TG on EFT

Subgroup analysis of SMD in EFT between patients with DM and the non-DM control group: a subgroup analysis by DM typing (T1DM or T2DM); b subgroup analyses by different measurements of EFT (CT or ultrasonic)

Evaluation of publication bias by funnel plot and Begg’s test. a Visual evaluation of the funnel plot on enrolled DM patients and the non-DM control group; b Begg’s test to assess publication bias in the included studies