Fig. 4From: Analysis of sputum microbial metagenome in COPD based on exacerbation frequency and lung function: a case control studyLinear discriminant analysis revealed differentially abundant bacterial taxa in stable COPD between groups. a Differences in bacterial genera between FE and NFE groups. b Differences in bacterial species between FE and NFE groups. c Difference in fungal and viral species between FE and NFE groups. d Differences in bacterial genera between mild and severe groups. e Differences in bacterial species between mild and severe groups. f Differences in fungal and viral species between mild and severe groupsBack to article page