3.2. Primary Outcomes
There were no significant differences in total or subscale GSRS scores after 6 weeks of blueberry versus placebo treatment. Nonetheless, trends were seen in the differences between blueberry and placebo treatments in mean total GSRS scores (mean difference −3.4, 95% CI [−7.4 to 0.6], The proportions of responders based on abdominal symptom relief in the last week of each treatment period are shown in 