Table 2.
Microbiology of Gram-Negative Bloodstream Infections by Site of Acquisition.
| Bacteria | Community-acquired (n = 161) | Health care–associated (n = 159) | Hospital-acquired (n = 70) |
|---|---|---|---|
| Escherichia coli | 106 (66) | 79 (50) | 22 (31) |
| Klebsiella species | 24 (15) | 27 (17) | 26 (37) |
| Proteus mirabilis | 12 (7) | 16 (10) | 3 (4) |
| Pseudomonas aeruginosa | 4 (2) | 10 (6) | 6 (9) |
| Enterobacter species | 4 (2) | 10 (6) | 5 (7) |
| Serratia species | 1 (1) | 8 (5) | 4 (6) |
| Citrobacter species | 3 (2) | 3 (2) | 1 (1) |
| Other | 7 (4) | 6 (4) | 3 (4) |
Note. Data are shown as number (%).