Table 1 Antimicrobial susceptibility of A. baumannii clinical isolates (n = 317).

From: Overcoming addition of phosphoethanolamine to lipid A mediated colistin resistance in Acinetobacter baumannii clinical isolates with colistin–sulbactam combination therapy

Antimicrobial agent

MIC range (mg/L)

MIC50 (mg/L)

MIC90 (mg/L)

% Resistance

COL

0.125–64

1

4

15.14

MEM

32– > 256

64

128

100

IMP

16– > 256

128

256

100

AMK

1– > 256

 > 256

 > 256

81.7

CIP

0.5– > 256

64

256

98.74

LVX

0.5–128

16

32

94.95

FOSa

64– > 256

256

 > 256

80.44

SULb

1– > 256

32

64

85.89

  1. AMK amikacin, CIP ciprofloxacin, COL colistin, FOS fosfomycin, IMP imipenem, LVX levofloxacin, MEM meropenem, MIC minimum inhibitory concentration, SUL sulbactam.
  2. aThe interpretation criteria for Enterobacteriaceae by the CLSI was used for fosfomycin susceptibility.
  3. bThe interpretation criteria of ampicillin/sulbactam for Acinetobacter spp. by the CLSI was used for sulbactam susceptibility.
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