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Table 1 Antimicrobial susceptibility of 108 Neisseria gonorrhoeae isolates from Hanoi, Vietnam in 2011

From: Antimicrobial susceptibility and genetic characteristics of Neisseria gonorrhoeae isolates from Vietnam, 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)

MIC 50 (mg/L)

MIC 90 (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

  1. NA, not applicable.
  2. * 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).
  3. ** Breakpoints not stated by any organization.