Fig. 2From: Performance effects of periodized carbohydrate restriction in endurance trained athletes – a systematic review and meta-analysisForest plot illustrating the effects of endurance training with high (Control) vs. periodized CHO intake on endurance performance in well-trained endurance athletes. “Mean” is the mean relative change in endurance performance and “SD” the variation of these relative changes. “Total” is the number of subjects in each group. The x-axis denotes Cohen’s d (standardized mean difference). The whiskers indicate 95% confidence intervalsBack to article page