Volume 14, Number 10—October 2008
Research
Endemic and Epidemic Lineages of Escherichia coli that Cause Urinary Tract Infections
Table 1
Antimicrobial drug resistance of Escherichia coli*
| Characteristic |
Berkeley, California, USA† |
Montréal, Québec, Canada‡ |
p value§ |
|---|---|---|---|
| Total primary E. coli |
434 |
256 |
|
| Drug | No. (%) resistant | ||
| Trimethoprim- sulfamethoxazole | 85 (20) | 36 (14) | 0.07 |
| Cephalothin | 11 (3) | 7 (3) | 0.90 |
| Ciprofloxacin | 8 (2) | 11 (4) | 0.06 |
| Nitrofurantoin | 0 | 0 | |
| Ampicillin | ND | 83 (32) | ND |
| Tetracycline | ND | 40 (16) | ND |
| Chloramphenicol | ND | 7 (3) | ND |
| Streptomycin | ND | 48 (19) | ND |
*ND, not done.
†October 1999–January 2000 and October 2000– January 2001.
‡January 2006–January 2007
§By χ2 test.


