Table 2 Pathogen Distribution in Patients with HCAP and CAPa
From: Healthcare-associated pneumonia among hospitalized patients in a Korean tertiary hospital
Microbes | HCAP (n= 231) | CAP (n= 296) | P-value |
|---|---|---|---|
Pathogen identified | 79 (34.2) | 83 (29.1) | 0.206 |
Gram-positive pathogens | 34 (14.7) | 54 (18.2) | 0.282 |
   MRSA | 9 (3.9) | 6 (2.0) |  |
   MSSA | 4 (1.7) | 9 (3.0) |  |
   Streptococcus pneumoniae | 11 (4.8) | 33 (11.1) |  |
   Streptococcus other | 4 (1.7) | 3 (1.0) |  |
   Enterococcus species | 0 (0) | 1 (0.3) |  |
   Others b | 6 (2.6) | 3 (1.0) |  |
Gram-negative pathogens | 46 (19.9) | 28 (9.5) | 0.001 |
   Pseudomonas aeruginosa | 10 (4.3) | 5 (1.7) |  |
   Escherichia coli | 1 (0.4) | 0 (0) |  |
   Haemophilus influenzae | 2 (0.9) | 3 (1.0) |  |
   Klebsiella pneumoniae | 23 (10.0) | 13 (4.4) |  |
ESBL producing c | 9/23 (39.1) | 3/13 (23.1) | Â |
   Enterobacter species | 4 (1.7) | 1 (0.3) |  |
   Acinetobacter baumannii | 1 (0.4) | 0 (0) |  |
   Stenotrophomonas maltophilia | 1 (0.4) | 1 (0.3) |  |
   Others d | 4 (1.7) | 5 (1.7) |  |
Anaerobes e | 1 (0.4) | 0 (0) | Â |
Atypical pathogens f | 0 (0) | 3 (1.0) | Â |
Fungal pathogensg | 1 (0.4) | 1 (0.3) | Â |
PDR pathogens | 29 (12.6) | 14 (4.7) | 0.001 |