TABLE 2.
Clinical characteristics and outcomes of K. pneumoniae bloodstream infections divided into groups defined by molecular analysis
| Characteristic | No. (%) patients infected with: |
|||
|---|---|---|---|---|
| Hypervirulent K. pneumoniae (n = 26) |
Classic K. pneumoniae (n = 76) |
K. variicola (n = 24) | K. quasipneumoniae (n = 14) | |
| Source of bloodstream infectiona | ||||
| Biliary tract | 6 (23.1) | 32 (42.1) | 8 (33.3) | 8 (57.1) |
| Urinary tract | 8 (30.8) | 22 (28.9) | 6 (25) | 4 (28.6) |
| Intra-abdominal | 1 (3.8) | 3 (3.9) | 2 (8.3) | 1 (7.1) |
| Pneumonia | 4 (15.4) | 3 (3.9) | 0 (0) | 0 (0) |
| Intravenous catheter related | 0 (0) | 3 (3.9) | 2 (8.3) | 1 (7.1) |
| Liver abscess | 4 (15.4) | 2 (2.6) | 1 (4.2) | 0 (0) |
| Endophthalmitis | 2 (7.7) | 0 (0) | 0 (0) | 0 (0) |
| Meningitis | 1 (3.8) | 0 (0) | 0 (0) | 0 (0) |
| Unknown | 3 (11.5) | 11 (14.5) | 5 (20.8) | 0 (0) |
| Disseminated infection | 3 (11.5) | 2 (2.6) | 0 (0) | 0 (0) |
| Severity of infection | ||||
| Severe sepsis | 17 (65.4) | 46 (60.5) | 15 (62.5) | 13 (92.9) |
| Septic shock | 6 (23.1) | 12 (15.8) | 3 (12.5) | 2 (14.3) |
| Altered mental status | 7 (26.9) | 13 (17.1) | 5 (20.8) | 2 (14.3) |
| 30-day crude mortality | 2 (7.7) | 4 (5.3) | 1 (4.2) | 2 (14.3) |
a
If a patient had multiple infected organs (disseminated infection), all were counted separately.