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Fig. 1 | Respiratory Research

Fig. 1

From: The sputum microbiome is distinct between COPD and health, independent of smoking history

Fig. 1

Microbiome profile of Healthy volunteers based on smoking pack year history. a Relative abundance of major phyla between all healthy (n = 124) represented in the outer ring followed by healthy < 10 PY smoking history subgroup (n = 96) in the middle ring and innermost ring representing healthy ≥10 PY history subgroup (n = 28). b Relative abundance of major genera between all healthy (n = 124) represented in the outer ring followed by healthy < 10 PY (n = 96) in the middle ring and innermost ring representing healthy ≥10 PY history (n = 28). c Principal coordinate analysis (PCoA) analysis of weighted unifrac distance measures relative to pack year history. d Alpha diversity indices comparison between. < 10 PY and ≥ 10 PY smoking sub-groups. Chao1 and observed_otus are represented as bar chart as mean and standard deviation; Shannon index is represented by box whisker plot showing median, interquartile range and minimum and maximum. **. P < 0.01

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