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Table 6 The MIC results of MDR isolates of S. flexneri to azithromycin and ciprofloxacin

From: Virulence genes expression profiling of different Shigella flexneri serotypes in response to sub-inhibitory concentrations of azithromycin and ciprofloxacin

Antimicrobial agents

MICa, µg/mLa

Azithromycin (0.25–128)

Ciprofloxacin (0.125–32)

0.5

1

2

4

8

16

32

64

0.125

0.25

0.5

1

2

4

8

16

32

N (%)

1 (6.66)

2 (13.33)

9 (60)

2 (13.33)

–

–

–

1 (6.66)

–

1 (6.66)

10 (66.6)

–

–

–

4 (26.6)

–

–

MIC50

2

0.5

MIC90

4

8

  1. a Minimum inhibitory concentration
  2.  N (%), number and percentage of S. flexneri isolates with different MIC values