TABLE 1.
Synergy test results for combinations of gentamicin plus ceftriaxone, ertapenem, and azithromycin against 97 MDR N. gonorrhoeae isolatesa
| Effect | Data for antimicrobial combinations |
||
|---|---|---|---|
| GEN + CRO | GEN + ETP | GEN + AZM | |
| Synergistic [n (%)] | 16 (16.5) | 27 (27.8) | 8 (8.2) |
| Indifferent [n (%)] | 81 (83.5) | 70 (72.2) | 89 (91.8) |
| Antagonistic [n (%)] | 0 | 0 | 0 |
| FICI (geometric mean) | 0.747 | 0.662 | 1.021 |
| Classification overall | Indifferent | Indifferent | Indifferent |
a
n, number; GEN, gentamicin; CRO, ceftriaxone; ETP, ertapenem; AZM, azithromycin; FICI, fractional inhibitory concentration.