Table 1.
Resistance among key Gram-negative pathogens in U.S. hospitals from 2009 to 2012
| Gram-negative pathogen | % Resistance (na) in nonurinary isolates |
% Resistance (n) in urinary isolates |
||||||
|---|---|---|---|---|---|---|---|---|
| ICU |
Non-ICU |
ICU |
Non-ICU |
|||||
| Ceftazidime-resistant | Imipenem-resistant | Ceftazidime-resistant | Imipenem-resistant | Ceftazidime-resistant | Imipenem-resistant | Ceftazidime-resistant | Imipenem-resistant | |
| Escherichia coli | 11.0 (3,084) | 0.3 (3,287) | 6.9 (43,445) | 0.1 (47,559) | 8.0 (10,258) | 0.1 (11,537) | 3.7 (744,532) | 0.0 (794,072) |
| Klebsiella pneumoniae | 26.8 (1,780) | 11.5 (1,907) | 14.5 (16,475) | 5.8 (17,228) | 19.3 (3,583) | 7.1 (3,834) | 8.0 (130,088) | 2.4 (131,464) |
| Acinetobacter baumannii | 60.1 (550) | 52.0 (535) | 35.4 (5,532) | 28.0 (4,37) | 71.7 (247) | 56.7 (230) | 37.1 (3,436) | 23.9 (2,758) |
| Pseudomonas aeruginosa | 18.6 (2,615) | 23.2 (2,869) | 7.3 (35,210) | 8.4 (35,810) | 13.8 (3,056) | 17.5 (3,285) | 5.8 (53,835) | 8.8 (52,758) |
a
n is the number of isolates tested.