Fig. 2

Increased abundance of Corynebacterium ulcerans in patients with pneumonia. a Box and whisker plot showing the relationship between Corynebacterium OTUs and pneumonia group. For the lines in a box and whisker plot: the extreme bars are the overall range, the bottom and top of the box are the 25th and 75th percentiles and the line inside the box is the 50th percentile (median). The significantly increased log-transformed CPM of the genus Corynebacterium in the pneumonia than in the non-pneumonia group was shown by TMAT with false discovery rate using Benjamini–Hochberg correction (FDR corrected p-value = 0.0226). b Longitudinal patterns of relative abundance of C. ulcerans OTUs in the pneumonia and non-pneumonia groups. Wilcoxon test was used (Day 1 p-value = 0.003, Day 7 p-value = 0.007). **p < 0.01