Table 2.
Distribution of isolated pathogens in patients with non-nosocomial pnseumoniaa
| Microbes |
No. of isolates |
|---|---|
| (%) | |
| Gram-positive pathogens |
|
| MRSA |
78 (8.3) |
| MSSA |
51 (5.4) |
| Streptococcus pneumoniae |
167 (17.7) |
| Gram-negative pathogens |
|
| Pseudomonas aeruginosa |
175 (18.5) |
| Escherichia Coli |
49 (5.2) |
| Klebsiella pneumoniae |
156 (16.5) |
| Enterobacter species |
31 (3.3) |
| Acinetobacter baumannii |
24 (2.5) |
| Stenotrophomonas maltophilia |
18 (1.9) |
| Haemophilus influenza |
10 (1.1) |
| Moraxella catarrhalis |
24 (2.5) |
| Othersb |
25 (2.6) |
| Atypical pathogens |
|
| Mycoplasma pneumoniae |
146 (15.5) |
| Legionella pneumophila | 2 (0.2) |
aData are presented as numbers (percentages). Multiple pathogens were isolated in 91 patients.
bSerratia marcescens (n=12), Proteus mirabilis (n=5), Citrobacter species (n=3), Morganella morganii (n=2), Burkholderia cepacia (n=1), Bacteroides fragilis (n=1), Enterococcus faecalis (n=1).
Abbreviations: MRSA methicillin-resistant Staphylococcus aureus, MSSA methicillin-sensitive Staphylococcus aureus.