Skip to main content

Table 6 Antibiotic resistance of uropathogenic Escherichia coli classified by phylogenetic group

From: Differences of virulence factors, and antimicrobial susceptibility according to phylogenetic group in uropathogenic Escherichia coli strains isolated from Korean patients

 

Phylogenetic group B2

(n = 276)

Phylogenetic group D

(n = 62)

p value

Resistance

   

 Amikacin

2 (0.8%)

0 (0.0%)

0.999*

 Amoxicillin/clavulanate

118 (42.9%)

9 (14.6%)

 < 0.001

 Ampicillin

210 (76.4%)

47 (75.8%)

0.926

 Aztreonam

120 (43.6%)

17 (27.4%)

0.019

 Cefazolin

134 (48.7%)

18 (29.0%)

0.005

 Cefepime

120 (43.6%)

17 (27.4%)

0.019

 Cefotaxime

124 (45.1%)

18 (29.0%)

0.022

 Cefoxitin

25 (9.1%)

5 (8.1%)

0.804

 Ceftazidime

121 (44.0%)

16 (25.8%)

0.008

 Ciprofloxacin

139 (50.5%)

14 (22.6%)

 < 0.001

 Ertapenem

0

0

 

 Gentamicin

94 (34.2%)

17 (27.4%)

0.315

 Imipenem

0

0

 

 Piperacillin/tazobactam

25 (9.1%)

3 (4.8%)

0.276

 Tigecycline

0

0

 

 Trimethoprim/sulfamethoxazole

102 (37.1%)

30 (48.4%)

0.100

ESBL

121 (44.0%)

17 (27.4%)

0.016

ESBL double disk

75 (27.2%)

11 (17.7%)

0.123

  1. ESBL extended-spectrum beta-lactamase
  2. *Fisher’s extract test