Table 2. Microbiological identification in hospital-acquired pneumonia patients (n = 140). a .
| Microorganism b | Patients with HAP caused by | Total | |
| MDR bacteria | Non-MDR bacteria | ||
| (n = 59) | (n = 81) | (n = 140) | |
| Staphylococcus aureus | 38 (64.4) | 14 (17.3) | 52 (36.4) |
| Enterobacter sp. | 8 (13.6) | 10 (12.3) | 18 (12.9) |
| Klebsiella pneumoniae | 7 (11.9) | 9 (11.1) | 16 (11.4) |
| Pseudomonas aeruginosa | 2 (3.4) | 12 (14.8) | 14 (10.0) |
| Escherichia coli | 2 (3.4) | 10 (12.3) | 12 (8.6) |
| Haemophilus sp. | 0 (0.0) | 12 (14.8) | 12 (8.6) |
| Acinetobacter sp. | 5 (8.5) | 3 (3.7) | 8 (5.7) |
| Coagulase-negative Staphylococcus sp. | 1 (1.7) | 6 (4.9) | 7 (5.0) |
| Enterococcus sp. | 0 (0.0) | 5 (6.2) | 5 (3.6) |
| Acinetobacter baumannii | 2 (3.4) | 0 (0.0) | 2 (1.4) |
| Other c | 0 (0.0) | 17 (21.0) | 17 (12.1) |
HAP
: hospital-acquired pneumonia
MDR
: multidrug-resistant
a
Values expressed as n (%)
b
We identified more than one microorganism in 23 patients (13 patients with MDR bacteria and 10 patients with non-MDR bacteria).
c
Stenotrophomonas maltophilia, Streptococcus pneumoniae, Citrobacter freundii, Proteus mirabilis, Streptococcus viridans, Citrobacter koseri, Klebsiella oxytoca, Providencia rettgeri, Serratia sp., and Moraxella sp