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Table 3 Isolates with VME or ME (by any commercial BMD test) and their corresponding MICs (µg/ml)

From: The accuracy of four commercial broth microdilution tests in the determination of the minimum inhibitory concentration of colistin

Isolates

BMD reference standarda

Sensititre™ (VME n = 5, ME n = 0)

SensiTest™ (VME n = 3, ME = 0)

UMIC (VME n = 2, ME = 1)

Micronaut (VME n = 3, ME = 0)

Pseudomonas aeruginosa

0.5

0.5

≤ 0.25

4

2

Pseudomonas aeruginosa

8

1

1

1

1

Pseudomonas aeruginosa

64

4

> 16

> 64

0,5

Pseudomonas aeruginosa

64

16

1

4

4

Acinetobacter junii

4

2

4

4

4

Escherichia coli

4

2

4

8

4

Escherichia coli

4

2

4

4

4

Klebsiella pneumoniae

16

0.25

0.5

0.25

1

  1. VME very major error, ME major error
  2. aBMD: broth microdilution