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Beta-diversity visualized using the non-metric multidimensional scaling (NMDS) plot with Bray-Curtis dissimilarity distances of the 2 groups–no complication group (NC) and complication group (C)–according to the timing of the stool collection (1, before bowel preparation; 2, on the 7th day after colonoscopy; 3, on the 28th day after colonoscopy).
