Effects of DPP4 Inhibitors as Neuroprotective Drug on Cognitive Impairment in Patients with Type 2 Diabetes Mellitus: A Meta-Analysis and Systematic Review

Figure 3

Meta-analysis of the impact of DPP4 inhibitors on cognitive impairment. Forest map displaying variations in MMSE with diabetes treated or not with DPP4i in 9 trials (n = 5388). Black squares indicate mean differences, horizontal lines through black squares indicate 95% CI, and green diamonds indicate pooled effect sizes shown using a random-effects Hedges model.