TABLE 2.
Antibiotic susceptibility profile and risk factors for colonization with USA-300 versus USA-500
| Characteristic | No. (%) of isolates in indicated cluster
|
P | |
|---|---|---|---|
| USA-300 | USA-500 | ||
| Total | 42 (75) | 14 (25) | |
| Susceptibility to: | |||
| TMP-SMX | 42 (100) | 1 (7.1) | 0.0001 |
| Ciprofloxacin | 2 (4.8) | 0 | 1.0 |
| Tetracycline | 40 (95.2) | 0 | 0.0001 |
| Clindamycin | 23 (54.8) | 1 (7.1) | 0.002 |
| Erythromycin | 1 (2.4) | 1 (7.1) | 0.44 |
| Recent hospitalization | 12 (28.6) | 3 (21.4) | 0.74 |
| Recent antibiotic use | 36 (85.7)a | 12 (85.7) | 1.0 |
| Recent travel | 17 (40.5)a | 4 (28.6) | 0.53 |
a
One participant was unsure.