Table 2.
Enterococcus faecalis antibiotic susceptibility and minimal inhibitory concentrations.
| Antibiotic | 2002 to 2012 | 1990 to 2001 | ||||
|---|---|---|---|---|---|---|
| No. of Isolates Tested | Resistant Isolates (%) | MIC 90 | No. of Isolates Tested | Resistant isolates (%) | MIC 90 | |
| Erythromycin | 10 | 7 (70) | 256 | 8 | 3 (38) | 4 |
| Ciprofloxacin | 13 | 2 (15) | 4 | 14 | 1 (7) | 1 |
| Gentamicina | 14 | 2 (14) | NA | 29 | 5 (17) | NA |
| Linezolid | 13 | 0 (0) | 2 | 29 | 0 (0) | 2 |
| Penicillin | 10 | 1 (10) | 8 | 21 | 2 (10) | 4 |
| Quinupristin/Dalfopristin | 7 | 7 (100) | 32 | 0 | NA | NA |
| Tetracycline | 14 | 11 (79) | 16 | 11 | 8 (73) | 16 |
| Vancomycin | 13 | 0 (0) | 2 | 23 | 0 (0) | 2 |
Legend: NA = not applicable, No. = number, MIC 90 = minimal inhibitory concentrations for 90% of isolates.
a
High level gentamicin resistance (MIC >500 mg/l).