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Table 2 Comparison between LC* and CC* in vitro antifungal susceptibilities of the most representative Candida species determined by Etest and Sensititre

From: Antifungal susceptibility of invasive yeast isolates in Italy: the GISIA3 study in critically ill patients

Drug

Species (No of isolates)

Centre

Etest MIC mg/L

°Agreement %

Sensititre MIC mg/L

°Agreement %

   

Range

50%

90%

EA

CA

Range

50%

90%

EA

CA

 

All isolates (638)

LC

≤0.002-1.5

0.19

0.5

93.1

99.4

0.015-2

0.5

1

89.9

98.6

  

CC

0.032-8

0.19

0.38

  

0.03-2

0.5

1

  
 

Candida albicans (327)

LC

0.002-1

0.19

0.25

96.3

100

0.015-1

0.5

1

91.1

99.4

  

CC

0.032-1

0.19

0.25

  

0.06-1

0.5

0.5

  
 

Candida parapsilosis (144)

LC

0.004-1.5

0.125

0.5

85.4

99.3

0.015-2

0.5

1

89.6

98.6

Amphotericin B

 

CC

0.032-0.75

0.19

0.25

  

0.03-1

0.5

0.5

  
 

Candida glabrata (77)

LC

0.002-1.5

0.25

0.75

97.4

98.7

0.015-2

0.5

1

87

98.7

  

CC

0.047-1

0.25

0.5

  

0.06-1

0.5

1

  
 

Candida tropicalis (38)

LC

0.032-1.5

0.25

0.5

86.8

97.4

0.06-2

0.5

2

97.7

89.5

  

CC

0.047-0.75

0.25

0.5

  

0.12-1

0.5

1

  
 

Candida krusei (15)

LC

0.064-0.5

0.5

0.5

93.3

100

0.25-1

0.5

1

100

93.2

  

CC

0.25-1

0.5

1

  

0.5-2

1

1

  
 

All isolates (638)

LC

≤0.002-≥32

0.008

2

89.6

93

≤0.008-≥16

0.06

1

92.5

99.7

  

CC

≤0.002-≥32

0.008

1.5

  

≤0.008-≥16

0.06

1

  
 

Candida albicans (327)

LC

≤0.002-4

0.003

0.006

89.7

99

≤0.008-1

0.03

0.06

89.6

100

  

CC

≤0.002-3

0.003

0.006

  

≤0.008-2

0.03

0.06

  

Anidulafungin

Candida parapsilosis (144)

LC

0.004-≥32

1.5

4

89.2

74.1

0.03-4

1

2

97.9

98.6

  

CC

≤0.002-≥32

1

2

  

≤0.008-2

1

2

  
 

Candida glabrata (77)

LC

0.003-2

0.012

0.032

92.0

100

≤0.008-2

0.03

0.12

94.8

100

  

CC

0.004-2

0.012

0.023

  

≤0.015-2

0.06

0.12

  
 

Candida tropicalis (38)

LC

≤0.002-0.064

0.016

0.032

84.2

100

≤0.008-1

0.06

0.25

89.5

100

  

CC

0.006-1.5

0.016

0.125

  

0.03-2

0.06

0.25

  
 

Candida krusei (15)

LC

0.012-0.047

0.023

0.047

100

100

0.015-0.12

0.06

0.12

100

100

  

CC

0.012-0.047

0.023

0.047

  

0.06-0.12

0.06

0.12

  
 

All isolates (638)

LC

≤0.002-≥32

0.19

1

94.5

98.9

≤0.008-≥16

0.12

0.5

96.7

99.8

  

CC

0.012-≥32

0.19

0.75

  

0.015-≥16

0.12

0.5

  
 

Candida albicans (327)

LC

≤0.002-1

0.125

0.25

94.2

100

0.008-0.5

0.06

0.12

97.9

100

  

CC

0.012-1.5

0.094

0.19

  

0.015-1

0.06

0.12

  
 

Candida parapsilosis (144)

LC

0.032-3

0.75

2

92.3

95.8

0.03-8

0.5

1

95.8

99.3

Caspofungin

 

CC

0.094-3

0.5

1

  

0.06-2

0.5

1

  
 

Candida glabrata (77)

LC

0.047-2

0.25

0.38

98.7

100

0.015-≥16

0.12

0.25

97.4

100

  

CC

0.125-1

0.19

0.25

  

0.03-≥16

0.12

0.25

  
 

Candida tropicalis (38)

LC

0.016-0.38

0.19

0.25

94.7

100

0.03-0.5

0.06

0.25

92.1

100

  

CC

0.064-2

0.19

0.5

  

0.03-0.5

0.06

0.25

  
 

Candida krusei (15)

LC

0.38-1

0.75

1

100

100

0.12-1

0.5

0.5

100

100

  

CC

0.38-1.5

0.5

1

  

0.12-0.5

0.5

0.5

  
 

All isolates (638)

LC

0.023-≥256

0.38

12

92.2

93.2

≤0.12-≥256

0.5

16

94.3

92.8

  

CC

0.032-≥256

0.38

8

  

≤0.12-≥256

0.5

16

  
 

Candida albicans (327)

LC

0.023-≥256

0.25

0.75

92.0

99.1

≤0.12-≥256

0.25

0.5

94.8

99.1

  

CC

0.047-32

0.25

0.75

  

≤0.12-32

0.25

0.5

  
 

Candida parapsilosis (144)

LC

0.32-≥256

0.5

2

95.8

97.2

≤0.12-128

1

4

97.2

96.7

Fluconazole

 

CC

0.125-32

0.5

1.5

  

≤0.12-64

1

4

  
 

Candida glabrata (77)

LC

0.38-≥256

12

≥256

84.4

64.9

0.5-≥256

16

64

90.9

58.4

  

CC

0.125-≥256

8

48

  

0.5-≥256

16

64

  
 

Candida tropicalis (38)

LC

0.125-16

0.5

2

92.1

100

0.25-≥256

1

4

84.2

92.1

  

CC

0.032-32

0.5

2

  

0.25-16

1

4

  
 

Candida krusei (15)

LC

12-≥256

48

≥256

86.7

46.7

8-64

32

64

100

86.7

  

CC

16-128

32

64

  

32-64

32

64

  
 

All isolates (638)

LC

≤0.002-≥32

0.064

1

81.3

79.4

≤0.008-≥16

0.06

0.5

92.5

84.4

  

CC

0.004-≥32

0.064

1.5

  

≤0.008-≥16

0.06

0.5

  
 

Candida albicans (327)

LC

0.002-≥32

0.047

0.25

84.1

80.4

≤0.008-≥16

0.03

0.12

92.7

94.1

  

CC

0.004-1

0.064

0.25

  

≤0.008-0.25

0.06

0.12

  
 

Candida parapsilosis (144)

LC

≤0.002-1

0.032

0.25

87.5

84.7

≤0.008-0.5

0.12

0.12

94.4

82.7

Itraconazole

 

CC

0.008-3

0.032

0.38

  

≤0.008-1

0.12

0.25

  
 

Candida glabrata (77)

LC

≤0.002-≥32

1.5

≥32

61.8

80.3

0.03-≥16

0.5

≥16

89.6

66.2

  

CC

0.004-≥32

2

≥32

  

0.06-≥16

0.5

2

  
 

Candida tropicalis (38)

LC

0.012-16

0.094

0.38

68.4

55.3

0.03-≥16

0.12

0.5

86.8

36.8

  

CC

0.016-3

0.125

1

  

0.06-1

0.25

0.5

  
 

Candida krusei (15)

LC

0.125-32

1

2

86.7

73.3

0.12-0.5

0.25

0.5

100

73.3

  

CC

0.5-2

1

2

  

0.12-0.5

0.25

0.5

  
 

All isolates (638)

LC

≤0.002-≥32

0.064

0.5

92.8

94.2

≤0.008-≥8

0.03

0.5

91.8

96.1

  

CC

0.003-≥32

0.064

0.5

  

≤0.008-≥8

0.03

1

  
 

Candida albicans (327)

LC

≤0.002-≥32

0.047

0.094

95.7

99.7

≤0.008-≥8

0.015

0.03

90.8

98.8

  

CC

0.003-0.25

0.047

0.094

  

≤0.008-0.5

0.015

0.03

  
 

Candida parapsilosis (144)

LC

0.003-0.25

0.064

0.125

98.6

99.3

≤0.008-4

0.03

0.12

95.1

99.3

Posaconazole

 

CC

0.012-4

0.047

0.125

  

≤0.008-1

0.06

0.12

  
 

Candida glabrata (77)

LC

0.003-≥32

1

≥32

66.2

57.1

≤0.008-≥8

0.5

≥8

90.9

77.9

  

CC

0.012-≥32

1

24

  

0.015-≥8

1

≥8

  
 

Candida tropicalis (38)

LC

0.016-1.5

0.094

0.19

94.7

97.4

0.015-≥8

0.12

1

84.2

92.1

  

CC

0.016-2

0.094

0.25

  

0.015-1

0.12

1

  
 

Candida krusei (15)

LC

0.094-1

0.25

0.5

93.3

100

0.12-0.5

0.25

0.5

100

100

  

CC

0.19-0.5

0.25

0.5

  

0.12-0.5

0.25

0.5

  
 

All isolates (638)

LC

≤0.002-≥32

0.016

0.25

90.3

98.9

≤0.008-≥16

0.008

0.25

91.5

99.0

  

CC

≤0.002-≥32

0.023

0.25

  

≤0.008-8

0.008

0.25

  
 

Candida albicans (327)

LC

≤0.002-≥32

0.012

0.032

86.2

99.4

≤0.008-≥16

≤0.008

0.015

92.7

99.4

  

CC

≤0.002-0.25

0.016

0.047

  

≤0.008-0.25

≤0.008

≤0.008

  
 

Candida parapsilosis (144)

LC

≤0.002-1

0.016

0.094

91.7

100

≤0.008-1

0.015

0.12

90.3

100

Voriconazole

 

CC

≤0.002-1

0.016

0.094

  

≤0.008-1

0.015

0.06

  
 

Candida glabrata (77)

LC

0.004-≥32

0.25

1.5

85.7

94.8

≤0.008-≥16

0.25

1

89.6

89.6

  

CC

0.006-≥32

0.25

1.5

  

≤0.008-8

0.25

1

  
 

Candida tropicalis (38)

LC

0.016-0.5

0.047

0.125

86.8

100

≤0.008-16

0.06

1

86.8

94.7

  

CC

0.012-1

0.064

0.25

  

0.015-1

0.06

0.25

  
 

Candida krusei (15)

LC

0.094-0.75

0.25

0.5

100

100

0.06-0.5

0.25

0.5

100

100

  

CC

0.19-0.75

0.38

0.5

  

0.12-0.5

0.25

0.5

  
  1. * LC = Laboratory Centre, CC = Coordinating Centre
  2. ° EA = Essential Agreement (MIC values within 2 dilutions), CA = Categorical Agreement (MIC values that fell within the same interpretive categories),