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Fig. 3 | Nutrition Journal

Fig. 3

From: Acute caffeine ingestion reduces insulin sensitivity in healthy subjects: a systematic review and meta-analysis

Fig. 3

Forest plot showing the pooled standardized mean difference (SMD) and 95% confidence interval (CI) for insulin sensitivity for 7 randomized controlled trials. For each study of caffeine, the shaded square represents the point estimate of the intervention effect. The horizontal line joins the lower and upper limits of the 95% CI of these effects. The area of the shaded square reflects the relative weight of the study in the respective meta-analysis. The diamond at the bottom of the graph represents the pooled SMD with the 95% CI for the seven trials. Experimental: caffeine group; Control: control group; I2: Inconsistency

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