Table 3.
Enterococcus spp. | Antibioticb (No. isolates [%]) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
AMP | DOX | ERY | GEN | LVX | LZD | NIT | Q-D | STR | TGC | TYLc | VAN | ||
E. hirae (n = 98) | I | n/a | 8 (8.2) | 27 (27.6) | 0 | 0 | 0 | 0 | 7 (7.1) | 0 | n/a | n/a | 0 |
R | 0 | 0 | 42 (42.9) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 69 (70.4) | 0 | |
E. villorum(n = 32) | I | n/a | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | n/a | n/a | 0 |
R | 0 | 0 | 31 (96.9) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 (96.9) | 0 | |
E. faecium (n = 21) | I | n/a | 1 (4.8) | 5 (23.8) | 0 | 2 (9.5) | 0 | 2 (9.5) | 2 (9.5) | 0 | n/a | n/a | 0 |
R | 0 | 1 (4.8) | 14 (66.7) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 (4.8) | 0 | |
E. durans (n = 7) | I | n/a | 0 | 0 | 0 | 0 | 0 | 0 | 1 (14.3) | 0 | n/a | n/a | 0 |
R | 0 | 0 | 1 (14.3) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 (14.3) | 0 | |
E. casseliflavus (n = 4) | I | n/a | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | n/a | n/a | 1 (25.0) |
R | 0 | 0 | 2 (50.0) | 0 | 0 | 0 | 0 | 1 (25.0) | 0 | 0 | 2 (50.0) | 0 | |
E. mundtii (n = 4) | I | n/a | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | n/a | n/a | 0 |
R | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
E. gallinarum (n = 3) | I | n/a | 0 | 2 (66.7) | 0 | 0 | 0 | 0 | 0 | 0 | n/a | n/a | 0 |
R | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 (66.7) | 0 | |
E. faecalis (n = 1) | I | n/a | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | n/a | n/a | 0 |
R | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 (100.0) | 0 | 0 | 0 | 0 | |
E. thailandicus (n = 1) | I | n/a | 0 | 1 (100.0) | 0 | 0 | 0 | 0 | 0 | 0 | n/a | n/a | 0 |
R | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Percentages were calculated by dividing resistant isolates with the total number of isolates for individual species and rounded to the first decimal place.
AMP, ampicillin; DOX, doxycycline; ERY, erythromycin; GEN, gentamicin; LVX, levofloxacin; LZD, linezolid; NIT, nitrofurantoin; Q-D, quinupristin-dalfopristin; STR, streptomycin; TGC, tigecycline; TYL, tylosin; VAN, vancomycin.
Resistance isolates were classified as those which carried the erm(B) resistance gene (see Section Materials and Methods for more information).
R, complete resistance; I, intermediate resistance; n/a, no interpretive criteria for intermediate resistance.