TABLE 1.
Comparison of BE-positive isolates as identified by broth and direct culture methodsa
| Isolate type | Number (%) of BE-positive isolates as identified by method
|
P | |
|---|---|---|---|
| Direct | Broth | ||
| VRE | 18 (3.4) | 28 (5.3) | 0.02 |
| Non-VRE | 426 (80.7) | 193 (36.6) | <0.001 |
| VSE | 395 (92.7) | 24 (12.4) | NC |
| Not Enterococcus | 31 (7.3) | 169 (87.6) | NC |
a
Abbreviations: BE, bile esculin; VSE, VAN-sensitive or -intermediate Enterococcus; NC, not calculated. Percentages based upon a total of 528 cultures for VRE and non-VRE isolates; non-VRE isolates are further broken down into VSE and non-enterococcal isolates.