Volume 8, Number 7—July 2002
Research
Antibiotic Resistance of Gram-Negative Bacteria in Rivers, United States
Ronald J. Ash*
, Brena Mauck*, and Melissa Morgan*
, Brena Mauck*, and Melissa Morgan*
Table 2
Resistance of ampicillin-resistant isolates to other β-lactam antibiotics, U.S. riversa
| % resistant |
||||||
|---|---|---|---|---|---|---|
| River | No. Tested | CEF | CTX | CAZ | IPM | AMC |
| Arkansas-Witchita, KS | 43 | —a | 5 | 2 | 5 | — |
| Canadian-Oklahoma City, OK | 50 | — | 6 | 0 | 0 | — |
| Chattahoochee-Atlanta, GA | 70 | 93 | 13 | — | — | — |
| Chicago-Chicago, IL | 81 | 96 | 9 | 0 | 0 | — |
| Colorado-Glenwood Springs, CO | 87 | 94 | 25 | 1 | 10 | — |
| Cuyahoga-Cleveland, OH | 79 | 91 | 12 | 6 | 0 | 68 |
| Des Moines-Des Moines, IA | 63 | 8 | 0 | 0 | 0 | 8 |
| Hudson-New York, NY | 107 | 86 | 9 | 0 | — | — |
| Kansas-Topeka, KS | 199 | 25 | 20 | 8 | 4 | — |
| Missouri-Parkville, MO | 203 | 73 | 21 | 5 | 1 | — |
| Ohio-Louisville, KY | 85 | 67 | 4 | 2 | 0 | 10 |
| Ohio-Cincinnati, OH | 91 | 77 | 0 | 0 | 0 | 37 |
| Ohio-Pittsburgh, PA | 54 | 78 | 8 | 9 | — | 36 |
| Ohio-Wheeling, WV | 50 | 36 | 0 | 0 | 6 | 0 |
| Platte-Grand Island, NE | 245 | 96 | 16 | 2 | — | 24 |
| Scioto-Columbus, OH | 67 | 86 | 2 | 0 | — | 33 |
| Mississippi-Minneapolis, MN | 72 | 38 | 0 | 0 | 0 | 38 |
| Mississippi-St. Louis, MO | 51 | 98 | 4 | 0 | — | 57 |
| Wabash-Terre Haute, IN | 81 | 94 | 7 | 0 | 0 | — |
| White-Indianapolis, IN | 83 | 96 | 39 | — | — | — |
aAbbreviations used: —,not tested; CEF,cephalothin; CTX, cefotaxime; CAZ, ceftazidime; IPM, imipenem; AMC, amoxicillin+clavalanic acid.
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