TABLE 4.
Susceptibility profiles of ESBL-producing K. pneumoniae isolates according to specimen source, interpreted using 2010 CLSI breakpoints
| Isolate source | No. (%)a |
|||
|---|---|---|---|---|
| Total | Susceptible result for 1 drug | Susceptible result for ≥2 drugs | Resistant | |
| Blood | 26 | 7 (26.9) | 3 (11.5) | 16 (61.5) |
| Bronchial secretion or sputum | 17 | 6 (35.3) | 2 (11.8) | 9 (52.9) |
| Surgical or tissue specimen | 7 | 0 (0) | 0 (0) | 7 (100) |
| Urine | 166 | 52 (31.3) | 19 (11.4) | 95 (57.2) |
| Unknown | 13 | 2 (15.4) | 2 (15.4) | 9 (69.2) |
| Total | 229 | 67 (29.3) | 26 (11.4) | 136 (59.4) |
a
The drugs evaluated were aztreonam, cefotaxime, ceftazidime, ceftriaxone, cefuroxime, and cefepime.