TABLE 3.
Description of antimicrobial resistance of E. coli isolates across military treatment facilitiesa
| Resistances by isolate type | Total | Study yr |
Combat zone |
Military treatment facilityb |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Yr 1c | Yr 2d | Iraq | Afghanistan | Unknowne | LRMC | WRAMC | NNMC | BAMC | ||
| Colonizing isolates | 343 | 127 | 216 | 27 | 302 | 14 | 108 | 101 | 66 | 68 |
| Aminoglycosides | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| β-Lactams | 197 (57.4) | 86 (67.7) | 111 (51.4) | 14 (51.9) | 176 (58.3) | 7 (50.0) | 63 (58.3) | 54 (53.5) | 40 (60.6) | 40 (58.8) |
| Carbapenems | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Fluoroquinolones | 211 (61.5) | 86 (67.7) | 125 (57.9) | 13 (48.1) | 189 (62.6) | 9 (64.3) | 54 (50.0) | 66 (65.4) | 46 (69.7) | 45 (66.2) |
| Infecting isolates | 136 | 43 | 93 | 11 | 125 | 0 | 9 | 42 | 66 | 19 |
| Aminoglycosides | 1 (0.7) | 0 | 1 (1.1) | 0 | 1 (0.8) | 0 | 0 | 1 (2.4) | 0 | 0 |
| β-Lactams | 109 (80.1) | 33 (76.7) | 76 (81.7) | 5 (45.5) | 104 (83.2) | 0 | 7 (77.8) | 35 (83.3) | 53 (80.3) | 14 (73.7) |
| Carbapenems | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Fluoroquinolones | 109 (80.1) | 31 (72.1) | 78 (83.9) | 6 (54.5) | 103 (82.4) | 0 | 6 (66.7) | 39 (92.9) | 53 (80.3) | 11 (57.9) |
| Total | 479 | 170 | 309 | 38 | 427 | 14 | 117 | 143 | 132 | 87 |
a
All data are presented as no. (%).
b
LRMC, Landstuhl Regional Medical Center; WRAMC, Walter Reed Army Medical Center; NNMC, National Naval Medical Center; BAMC, Brooke Army Medical Center.
c
Dates of culture: June 2009 to May 2010.
d
Dates of culture: June 2010 to May 2011.
e
Military operation data are missing for six subjects.