Table 1.
Antimicrobial susceptibility of 108 Neisseria gonorrhoeae isolates from Hanoi, Vietnam in 2011
| Antimicrobial (Breakpoints (mg/L)) | Susceptible no. (%) | Intermediate no. (%) | Resistant no. (%) |
|---|---|---|---|
|
Ciprofloxacin (S ≤ 0.032, I = 0.064, R > 0.064)* |
2 (2) |
0 |
106 (98) |
|
Tetracycline (S ≤ 0.5, I = 1.0, R > 1.0)* |
7 (6) |
13 (12) |
88 (82) |
|
Penicillin G (S ≤ 0.064, I = 0.125-1.0, R > 1.0)* |
2 (2) |
54 (50) |
52 (48) |
|
Azithromycin (S ≤ 0.25, I = 0.5, R > 0.5)* |
67 (62) |
29 (27) |
12 (11) |
|
Ceftriaxone (S ≤ 0.125, I = NA, R > 0.125)* |
103 (95) |
NA |
5 (5) |
|
Cefixime (S ≤ 0.125, I = NA, R > 0.125)* |
107 (99) |
NA |
1 (1) |
|
Spectinomycin (S ≤ 64, I = NA, R > 64)* |
108 (100) |
NA |
0 |
| |
MIC range (mg/L) |
MIC50 (mg/L) |
MIC90 (mg/L) |
|
Gentamicin** |
0.032–8 |
4 |
4 |
|
Ertapenem** |
0.002–0.125 |
0.012 |
0.032 |
| Solithromycin** | <0.016-0.25 | 0.064 | 0.125 |
NA, not applicable.
* Breakpoints for susceptible (S ≤ x mg/L) and resistant (R > y mg/L) according to The European Committee on Antimicrobial Susceptibility Testing (EUCAST; http://www.eucast.org).
** Breakpoints not stated by any organization.