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Boxplot of the rarefied, bootstrapped number of taxa found for unilateral purulent maxillary CRS (upm CRS), CRS with nasal polyps (CRSwNP), and CRS without nasal polyps CRSsNP. The boxplot shows the 25–75% quartiles; the median is indicated by the horizontal line inside the box. The largest data points <1.5 times the box height (“upper-inner fence”) are shown with short horizontal lines and similarly below the box. Values outside the inner fences are shown as circles.
