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. Author manuscript; available in PMC: 2021 Apr 30.
Published in final edited form as: Patient Educ Couns. 2019 Sep 9;103(2):266–275. doi: 10.1016/j.pec.2019.09.009

Fig. 3.

Fig. 3.

The forest plot of the mean difference of A1C reduction in study participants. Squares represent effect sizes of individual studies with extended lines denoting 95% confidence interval. Sizes of squares indicate the weight of each study based on the sample size using random effects analysis. The diamond represents the estimated pooled effect size. A ratio of estimates below zero indicates the beneficial treatment effect of DSME.