Microbiological characteristics of subjects with bronchiectasis
| Pathogens | Numbers (N) | Percentage (%)* | Percentage (%)† |
| Total* | 1188 | – | – |
| Total† | 536 | 45.12 | – |
| Bacteriologic | – | – | – |
| Pseudomonas aeruginosa | 232 | 19.53 | 43.28 |
| Klebsiella pneumoniae | 44 | 3.70 | 8.21 |
| Mycobacterium tuberculosis | 46 | 3.87 | 8.58 |
| Nontuberculous mycobacteria | 27 | 2.27 | 5.04 |
| Acinetobacter baumannii | 15 | 1.26 | 2.80 |
| Enterobacter cloacae | 13 | 1.09 | 2.43 |
| Stenotrophomonas maltophilia | 11 | 0.93 | 2.05 |
| Staphylococcus aureus | 7 | 0.59 | 1.31 |
| Escherichia coli | 6 | 0.51 | 1.12 |
| Mycological | – | – | – |
| Aspergillus | 75 | 6.31 | 13.99 |
| Candida albicans | 72 | 6.06 | 13.43 |
| Saccharomycetes | 5 | 0.42 | 0.93 |
| Others | 26 | 2.19 | 4.85 |
| Indefinite | 26 | 2.19 | 4.85 |
*Indicates the patients included in this study.
†Indicates the patients who had positive sputum or bronchoalveolar tests. Other species include Proteus penneri, Pseudomonas fluorescens/putida, Serratia marcescens, Alcaligenes xylosoxidans subsp, Acinetobacter lwoffii, Enterobacter aerogenes, Candida tropicalis, Staphylococcus epidermidis and Enterococcus faecium. Indefinite species include Gram-positive cocci and Gram-negative bacilli (not clear).