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Fig. 2 | Journal of the International Society of Sports Nutrition

Fig. 2

From: Effect of dietary nitrate on human muscle power: a systematic review and individual participant data meta-analysis

Fig. 2

Forest plot of effect sizes (i.e., Hedge’s g) for all 19 studies of the effects of dietary NO3 supplementation on maximal muscle power included in the meta-analysis. The size of each symbol is proportional to the weighting of each study, with the horizontal error bar representing the 95% confidence interval (CI). The horizontal diamonds at the bottom of the figure illustrate the overall effect size plus or minus the 95% CI as determined using fixed or random effects models

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