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The elimination rate for the 4 major FD symptoms across time (per-protocol). A questionnaire survey on the severity of individual FD symptoms was completed during the baseline period and after 4, 8, and 12 weeks of test food intake. The percentage of the participants who experienced the disappearance of the 4 major FD symptoms was measured as the elimination rate at each time point. Group comparison; Wilcoxon rank sum test, * p < 0.05 (2-sided). FD, functional dyspepsia.
