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Table 2 Antibiotic susceptibility of Acinetobacter baumannii isolates by disk diffusion method

From: Molecular study of metallo-β-lactamases and integrons in Acinetobacter baumannii isolates from burn patients

Antibiotic

Susceptible (S), N (%)

Intermediate (I), N (%)

Resistant (R), N (%)

Interpretive categories and zone diameter breakpoints (mm)

S

I

R

Imipenem

0 (0.0)

0 (0.0)

106 (100)

 ≥ 22

19–21

 ≤ 18

Ceftazidime

0 (0.0)

0 (0.0)

106 (100)

 ≥ 18

15–17

 ≤ 14

Gentamicin

5 (4.7)

2 (1.9)

99 (93.4)

 ≥ 15

13–14

 ≤ 12

Doxycycline

101 (95.3)

0 (0.0)

5 (4.7)

 ≥ 13

10–12

 ≤ 9

Minocycline

102 (96.2)

4 (3.8)

0 (0.0)

 ≥ 16

13–15

 ≤ 12

Ciprofloxacin

5 (4.7)

0 (0.0)

101 (95.3)

 ≥ 21

16–20

 ≤ 15

Ampicillin-sulbactam

100 (94.3)

0 (0.0)

6 (5.7)

 ≥ 15

12–14

 ≤ 11

Trimethoprim/sulfamethaxazole

0 (0.0)

0 (0.0)

106 (100)

 ≥ 16

11–15

 ≤ 10