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Table 3 Comparison of susceptibility of levofloxacin-susceptible and levofloxacin- nonsusceptible strains of Escherichia coli to various antimicrobial agents

From: In vitro susceptibility of Escherichia colistrains isolated from urine samples obtained in mainland China to fosfomycin trometamol and other antibiotics: a 9-year surveillance study (2004–2012)

Antibiotica

LVX-S (n = 269)

LVX-NS (n = 639)

p

S (%)

MIC90(mg/L)

S (%)

MIC90(mg/L)

FOS

98.5

0.5

94.5

4

0.007

TZP

95.9

4

95.3

8

0.688

CXM

63.2

512

19.7

512

< 0.001

CTX

64.7

128

27.1

512

< 0.001

FEP

91.4

8

66.7

64

< 0.001

IMP

100

0.25

99.5

0.25

0.559

AMK

98.9

2

92.0

8

< 0.001

NIT

96.3

16

81.7

64

< 0.001

  1. LVX-S, levofloxacin-susceptible; LVX-NS, levofloxacin-resistant or intermediately.
  2. aDrug abbreviations: FOS, fosfomycin trometamol; TZP, piperacillin-tazobactam; CXM, cefuroxime; CTX, cefotaxime; FEP, cefepime; IMP, imipenem; AMK, amikacin; NIT, nitrofurantoin; LVX, levofloxacin.
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BMC Infectious Diseases

ISSN: 1471-2334

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