Skip to main content

Table 1 Minimum inhibitory concentrations (MIC 50 , MIC 90 , MIC range [mg/L]) and antimicrobial susceptibility (%S) of clinically important Gram-positive and Gram-negative isolates

From: A longitudinal assessment of antimicrobial susceptibility among important pathogens collected as part of the Tigecycline Evaluation and Surveillance Trial (T.E.S.T.) in France between 2004 and 2012

Pathogen

N

MIC50

MIC90

MIC Range

%S

Gram-positive

     

E. faecalis

     

AMC

969

0.5

1

≤0.03 - ≥16

99.1

AMP

969

1

2

≤0.06 - ≥32

98.8

IMP

137

1

4

≤0.12 - 16

96.4

LZD

969

2

2

≤0.5 - 4

100

TIG

969

0.12

0.25

≤0.008 - 0.5

99.8

VAN

969

1

2

0.25 - ≥64

99.3

E. faecium

     

AMC

332

≥16

≥16

0.06 - ≥16

25.0

AMP

332

≥32

≥32

≤0.06 - ≥32

22.3

IMP

29

≥32

≥32

2 - ≥32

20.7

LZD

332

2

2

≤0.5 - 2

100

TIG

332

0.06

0.25

0.03 - 0.25

100

VAN

332

1

2

0.25 - ≥64

94.6

S. aureus

     

LEV

2229

0.25

16

≤0.06 - ≥64

71.7

LZD

2229

2

2

≤0.5 - 4

100

MIN

2229

≤0.25

0.5

≤0.25 - ≥16

93.7

PEN

2229

8

≥16

≤0.06 - ≥16

14.4

TIG

2229

0.12

0.25

≤0.008 - 0.5

100

VAN

2229

1

1

≤0.12 - 2

100

S. agalactiae

     

LEV

859

0.5

1

≤0.06 - 32

97.1

LZD

859

1

1

≤0.5 - 2

100

MIN

859

8

≥16

≤0.25 - ≥16

15.4

PEN

859

≤0.06

0.12

≤0.06 - 0.12

100

TIG

859

0.06

0.12

0.015 - 0.25

100

VAN

859

0.5

0.5

≤0.12 - 1

100

S. pneumoniae

     

AMP

990

≤0.06

2

≤0.06 - ≥32

68.2

AZI

872

0.12

≥128

≤0.03 - ≥128

56.5

CRO

990

0.06

1

≤0.03 - 16

79.1

CLA

872

0.06

≥128

≤0.015 - ≥128

57.0

CLI

872

0.06

≥128

≤0.015 - ≥128

65.0

ERY

872

0.12

≥128

≤0.015 - ≥128

56.4

IMP

120

≤0.12

0.25

≤0.12 - 0.5

100

LEV

990

1

1

≤0.06 - ≥64

99.6

LZD

990

1

1

≤0.5 - 4

99.9

MER

870

≤0.12

0.5

≤0.12 - ≥32

99.9

MIN

990

1

8

≤0.25 - ≥16

47.6

PEN

990

≤0.06

2

≤0.06 - ≥16

51.3

VAN

990

0.25

0.5

≤0.12 - 1

100

Gram-negative

     

E. aerogenes

     

AMK

561

2

8

≤0.5 - 64

95.9

CFP

561

≤0.5

2

≤0.5 - ≥64

87.0

CRO

561

0.5

32

≤0.06 - ≥128

56.7

IMP

81

0.5

1

≤0.06 - 4

97.5

LEV

561

0.06

≥16

≤0.008 - ≥16

76.5

MER

480

≤0.06

0.12

≤0.06 - 8

98.3

PTZ

561

8

64

0.25 - ≥256

59.5

TIG

561

0.5

2

0.12 - 16

87.0

E. cloacae

     

AMK

1665

1

4

≤0.5 - ≥128

96.7

CFP

1665

≤0.5

8

≤0.5 - ≥64

66.5

CRO

1665

1

≥128

≤0.06 - ≥128

50.7

IMP

226

0.5

1

≤0.06 - 8

99.1

LEV

1665

0.06

≥16

≤0.008 - ≥16

73.1

MER

1439

≤0.06

0.25

≤0.06 - ≥32

99.4

PTZ

1665

4

≥256

≤0.06 - ≥256

59.3

TGC

1665

0.5

2

0.06 - 16

85.0

E. coli

     

AMK

2284

2

4

≤0.5 - ≥128

97.9

AMC

2284

8

32

0.25 - ≥64

70.8

AMP

2284

≥64

≥64

≤0.5 - ≥64

38.4

CFP

2284

≤0.5

8

≤0.5 - ≥64

84.3

CRO

2284

≤0.06

64

≤0.06 - ≥128

84.0

IMP

324

0.25

0.5

≤0.06 - 2

100

LEV

2284

0.03

≥16

≤0.008 - ≥16

79.9

MER

1960

≤0.06

≤0.06

≤0.06 - 4

99.9

PTZ

2284

2

16

≤0.06 - ≥256

89.0

TGC

2284

0.25

0.5

≤0.008 - 2

99.3

H. influenzae

     

AMC

1191

0.5

1

≤0.12 - 16

99.2

AMP

1191

≤0.5

32

≤0.5 - ≥64

75.6

CRO

1191

≤0.06

≤0.06

≤0.06 - 4

98.5

IMP

156

0.25

0.5

≤0.06 - 4

98.7

LEV

1191

0.015

0.015

≤0.008 - 1

100

MER

1035

≤0.06

0.12

≤0.06 - 0.5

100

MIN

1191

≤0.5

1

≤0.5 - 16

90.8

K. oxytoca

     

AMK

695

1

4

≤0.5 - ≥128

98.7

AMC

695

2

32

0.25 - ≥64

79.7

CFP

695

≤0.5

2

≤0.5 - ≥64

89.2

CRO

695

≤0.06

8

≤0.06 - ≥128

83.3

IMP

102

0.25

0.5

≤0.06 - 1

100

LEV

695

0.06

1

≤0.008 - ≥16

90.5

MER

593

≤0.06

≤0.06

≤0.06 - ≥32

99.7

PTZ

695

2

≥256

≤0.06 - ≥256

83.3

TGC

695

0.25

1

0.015 - 8

95.4

K. pneumoniae

     

AMK

1524

1

4

≤0.5 - ≥128

96.4

AMC

1524

4

32

0.5 - ≥64

72.6

CFP

1524

≤0.5

32

≤0.5 - ≥64

79.4

CRO

1524

≤0.06

≥128

≤0.06 - ≥128

77.2

IMP

211

0.25

0.5

≤0.06 - 2

100

LEV

1524

0.06

8

≤0.008 - ≥16

82.2

MER

1313

≤0.06

≤0.06

≤0.06 - ≥32

99.6

PTZ

1524

2

64

0.12 - ≥256

81.3

TGC

1524

0.5

2

0.06 - 16

87.6

S. marcescens

     

AMK

895

2

4

≤0.5 - ≥128

97.1

CFP

895

≤0.5

1

≤0.5 - ≥64

94.4

CRO

895

0.25

8

≤0.06 - ≥128

80.4

IMP

118

0.5

1

≤0.06 - 4

96.6

LEV

895

0.12

2

0.015 - ≥16

87.2

MER

777

≤0.06

0.12

≤0.06 - ≥32

98.7

PTZ

895

2

16

≤0.06 - ≥256

88.7

TGC

895

1

2

0.015 - 8

80.1

A. baumannii

     

AMK

1161

4

64

≤0.5 - ≥128

75.6

IMP

170

0.5

2

≤0.06 - ≥32

96.5

LEV

1161

0.25

8

≤0.008 - ≥16

56.8

MER

991

0.5

8

≤0.06 - ≥32

83.7

P. aeruginosa

     

AMK

1780

4

16

≤0.5 - ≥128

87.1

CFP

1780

4

32

≤0.5 - ≥64

77.5

CTZ

1780

≤8

32

≤8 - ≥64

75.6

IMP

260

1

8

0.12 - ≥32

87.7

LEV

1780

1

≥16

≤0.008 - ≥16

58.3

MER

1520

0.5

8

≤0.06 - ≥32

75.4

PTZ

1780

8

≥256

0.12 - ≥256

72.5

  1. AMK, amikacin; AMC, amoxicillin-clavulanate; AMP, ampicillin; CFP, cefepime; CTZ, ceftazidime; CRO, ceftriaxone; IMP, imipenem; LEV, levofloxacin; LZD, linezolid; MER, meropenem; MIN, minocycline; PEN, penicillin; PTZ, piperacillin-tazobactam; TIG, tigecycline; VAN, vancomycin.