TABLE 2.
Geographic distribution of aac(6′)-Ib-cr-positive isolates
| Region | No. of isolates with aac(6′)-Ib-cr/total no. of isolates (%)
|
||
|---|---|---|---|
| K. pneumoniae | Enterobacter spp. | E. coli | |
| East North Central | 2/12 (16.7) | 1/22 (4.5) | 0/3 (0.0) |
| East South Central | 2/6 (33.3) | 0/27 (0.0) | 1/4 (25.0) |
| Middle Atlantic | 7/56 (12.5) | 3/30 (10.0) | 6/16 (37.5) |
| Mountain | 0/1 (0.0) | 0/9 (0.0) | 1/6 (16.7) |
| New England | 2/11 (18.2) | 4/14 (28.6) | 0/2 (0.0) |
| Pacific | 0/4 (0.0) | 2/21 (9.5) | 5/7 (71.4) |
| South Atlantic | 2/6 (33.3) | 2/21 (9.5) | 2/7 (28.6) |
| West North Central | 0/0 (0.0) | 0/6 (0.0) | 0/0 (0.0) |
| West South Central | 2/10 (20.0) | 0/10 (0.0) | 0/2 (0.0) |