Fig. 5From: A systematic review and meta-analysis of carbohydrate benefits associated with randomized controlled competition-based performance trialsEffects of carbohydrate interventions as compared to placebo on mean power output. Forest plot shows pooled mean differences with 95 % confidence intervals (CI) for 4 randomized controlled trials. Subgroup analyses show the results for exercise duration shorter than 90 min or longer than 90 min, respectively. The diamond at the bottom of the graph and the subgroups represents the pooled mean difference with the 95 % CI for all trials following fixed effect meta-analysesBack to article page