Research Article
The Role of Infection in Acute Exacerbation of Idiopathic Pulmonary Fibrosis
Table 4
Pathogens in sputum of IPF patients.
| Pathogens | Number of strains | AE-IPF () | Stable IPF () | Total () |
| Gram-negative bacteria | 9 | 25 | 34 | Klebsiella pneumoniae | 2 | 8 | 10 | Acinetobacter baumannii | 0 | 4 | 4 | Mycobacterium tuberculosis | 4 | 4 | 8 | Pseudomonas aeruginosa | 1 | 2 | 3 | Loffi Acinetobacter | 1 | 0 | 1 | Serratia marcescens | 0 | 1 | 1 | Enterobacter cloacae | 0 | 1 | 1 | Raoultella | 0 | 1 | 1 | Other | 1 | 4 | 5 | Gram-positive cocci | 0 | 4 | 4 | Total no. of bacterial strain | 9 | 29 | 38 | Positive cases | 9 | 26 | 35 | Positive rate | 9/48 (18.8%) | 26/122 (21.3%) | 35/170 (20.6%) |
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