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Table 1 Prevalence of oqxAB genes and susceptibility to 11 antimicrobial agents

From: Prevalence and molecular characterization of oqxAB in clinical Escherichia coli isolates from companion animals and humans in Henan Province, China

Antibioticsb

Isolates from Dogs (n = 106)

Isolates from Cats (n = 64)

Isolates from Humans (n = 100)

Total

P-value

oqxAB-positive

58.5% (62//106)a

oqxAB-negative

41.5% (44//106)

oqxAB-positive

56.25% (36//64)a

oqxAB-negative

43.75% (28/64)

oqxAB-positive

42.0% (42//100)a

oqxAB-negative

58.0% (58/100)

MIC50

MIC90

R(%)

MIC50

MIC90

R(%)

P-value

MIC50

MIC90

R(%)

MIC50

MIC90

R(%)

P-value

MIC50

MIC90

R(%)

MIC50

MIC90

R(%)

P-value

COL

0.25

1

0

0.25

1

0

–

0.125

0.25

0

0.03

0.25

0

–

0.25

8

15.6

0.5

4

11.1

0.505

0.674

TET

128

>256

95.2

32

64

72.7

0.054

64

256

100

16

64

80

0.091

32

64

100

16

64

72.2

0.004

6.63 × 10−5

OLA

64

128

85.7

16

64

18.2

4.77 × 10−5

64

256

100

2

64

20

0.008

64

128

90.6

4

32

11.1

2.69 × 10−8

5.79 × 10−12

MEQ

4

64

–

1

4

–

–

16

64

–

4

16

–

–

32

128

–

4

16

–

–

–

CEF

16

64

73.8

8

32

72.7

0.608

8

32

77.3

8

64

80

0.624

128

>512

96.9

128

>512

94.4

0.595

0.745

CIP

32

>512

85.8

<0.25

4

36.4

0.002

4

32

81.8

0.25

4

30

0.007

64

>512

93.8

8

256

66.7

0.019

1.57 × 10− 6

CRO

64

>512

73.8

8

32

63.6

0.375

4

32

59.1

8

64

70

0.427

64

>512

90.6

128

>512

94.4

0.544

0.704

DOX

64

>128

88.1

8

16

54.5

0.023

32

>128

81.8

4

16

70

0.376

16

128

93.8

16

64

88.9

0.456

0.039

GAT

8

64

57.5

0.5

4

18.2

0.021

2

8

59.1

<0.25

8

30

0.127

16

64

87.5

8

64

44.4

0.001

2.47 × 10−4

AMK

32

>512

61.9

16

512

81.8

0.191

0.25

8

13.6

2

16

30

0.264

256

512

84.4

256

>512

88.9

0.505

0.144

FFC

16

128

78.6

4

128

63.6

0.257

4

16

68.2

2

16

40

0.138

128

256

87.5

64

256

66.7

0.083

0.016

  1. -, no statistical or not determined
  2. aRate of oqxAB-positive isolates; oqxAB-positive isolates/t total isolates
  3. bCOL colistin, TET tetracycline, OLA olaquindox, MEQ mequindox, CEF ceftiofur; CRO ceftriaxone, DOX doxycyclin, CIP ciprofloxacin, GAT gatifloxacin, AMK amikacin, FFC florfenicol