Volume 11, Number 6—June 2005
Research
Methicillin-resistant Staphylococcus aureus and Vancomycin-resistant Enterococci in Rural Communities, Western United States
Kurt B. Stevenson*†
, Katy Searle†, Gregory Stoddard†, and Matthew H. Samore†‡
, Katy Searle†, Gregory Stoddard†, and Matthew H. Samore†‡Table 3
Comparison of antimicrobial susceptibilities by category
| Agent | No. susceptible (%) | p value† | ||
|---|---|---|---|---|
| HA-MRSA | CA-MRSA with CFs | CA-MRSA without CFs | ||
| Oxacillin | 0/204 (0) | 0/34 (0) | 0/106 (0) | NS |
| Erythromycin | 10/193 (5) | 3/34 (9) | 16/98 (16) | 0.007 |
| Clindamycin | 42/195 (22) | 11/34 (32) | 61/100 (61) | <0.0001 |
| Ciprofloxacin | 9/138 (7) | 2/19 (11) | 23/73 (32) | <0.0001 |
| Gentamicin | 196/204 (96) | 33/34 (97) | 99/105 (94) | NS |
| Trimethoprim-sulfamethoxazole | 202/203 (99) | 34/34 (100) | 102/106 (96) | NS |
| Rifampin | 157/166 (95) | 23/24 (96) | 79/82 (96) | NS |
| Tetracycline | 183/190 (96) | 25/27 (93) | 93/101 (92) | NS |
| Vancomycin | 203/203 (100) | 33/33 (100) | 105/106 (99)‡ | NS |
*HA, healthcare-associated; MRSA, methicillin-resistant Staphylococcus aureus; CA, community-associated; CFs, coexisting factors; NS, not significant.
†Based on Fisher exact test.
‡One isolate reported as vancomycin resistant. Isolate not available for confirmatory testing.
