Table 1.
Antibiotic susceptibility for the different species studied
| Species | % isolates antibiotic resistant (MIC50)a |
|||||
|---|---|---|---|---|---|---|
| Str | Lev | Ery | Cln | Fos | SxT | |
| S. gallolyticus subsp. gallolyticus (n = 14) | 42.8 (≤1,000) | 14.2 (2) | 35.7 (≤0.5) | 35.7 (≤0.5) | 35.7 (≤32) | 35.7 (≤1/19) |
| S. gallolyticus subsp. pasteurianus (n = 24) | 20.8 (≤1,000) | 8.3 (≤1) | 37.5 (≤0.5) | 25.0 (≤0.5) | 29.1 (≤32) | 25.0 (≤1/19) |
| S. infantarius subsp. infantarius (n = 2) | 0 (≤1,000) | 0 (≤1) | 0 (≤0.5) | 0 (≤0.5) | 0 (≤32) | 0 (≤1/19) |
| S. lutetiensis (n = 5) | 60.0 (>1,000) | 40.0 (2) | 60.0 (>2) | 60.0 (>2) | 20.0 (≤32) | 20.0 (≤1/19) |
| L. lactis (n = 3) | 66.6 (>1,000) | 0 (2) | 33.3 (≤0.5) | 33.3 (≤0.5) | 66.6 (>64) | 66.6 (>2/38) |
| L. mesenteroides (n = 4) | 0 (≤0.25) | 0 (2) | 50.0 (≤0.5) | 25.0 (≤0.5) | 25.0 (≤0.32) | 25.0 (≤1/19) |
a
High-level resistance, MIC50 > 1,000 mg/liter. Str, streptomycin; Lev, levofloxacin; Ery, erythromycin; Cln, clindamycin; Fos, fosfomycin; SxT, trimethoprim-sulfamethoxazole. The MIC50s, presented in parentheses, are in mg/liter.