Table 3.
Causative microorganisms.
| Microorganisms | Community-acquired (n = 43) | Healthcare-related (n = 118) | P |
|---|---|---|---|
| Gram positive | |||
| Streptococcus spp. | 34.9% | 4.2% | < 0.001 |
| S. pneumoniae | 18.6% | 1.7% | |
| Viridans streptococci | 7.0% | 2.5% | |
| S. agalactiae | 9.3% | 0 | |
| Staphylococcus spp. | 4.7% | 44.1% | < 0.001 |
| S. aureus | 4.7% | 16.1% | |
| S. epidermidis | 0 | 17.8% | |
| Other CoNS | 0 | 10.2% | |
| Other gram positive | 25.6% | 11.9% | 0.033 |
| Listeria monocytogenes | 11.6% | 0 | |
| Enterococcus spp.* | 2.3% | 6.8% | |
| Bacillus spp. | 4.7% | 5.1% | |
| Others† | 7.0% | 0 | |
| Gram negative | 34.9% | 43.2% | 0.341 |
| Klebsiella pneumoniae | 25.6% | 5.9% | |
| Pseudomonas spp.‡ | 7.0% | 6.8% | |
| Acinetobacter spp.∥ | 2.3% | 6.8% | |
| Enterobacter spp.¶ | 0 | 13.6% | |
| Others** | 0 | 10.2% | |
Abbreviations: CoNS, Coagulase-negative staphylococci. *E. faecalis (n = 5) and E. faecium (n = 4). †Corynebacterium species, Micrococcus species, and Parvimonas micra (n = 1 for all). ‡P. aeruginosa (n = 10) and P. fluorescens (n = 1). ∥A. baumannii (n = 7) and A. lwoffii (n = 2). ¶E. aerogenes (n = 13) and E. cloacae (n = 3). **Serratia marcescenes (n = 4), Stenotrophomonas maltophilia (n = 3), Haemophilus influenzae (n = 2), Escherichia coli (n = 1), Morganella morganii (n = 1), and Moraxella species (n = 1).