Table 3

Agreement and errors of the direct method for AST for GNR, after discrepancy analysis

Antimicrobial agent

No. of tested strains

% categorical agreement

No. of minor errors (%)

No. of major errors (%)

No. of very major errors (%)


Amikacin

49

100

0

0

0

Amoxicillin/clavulanate

49

98.0

1 (2.0)

0

0

Ampicillin

49

98.0

1 (2.0)

0

0

Ceftazidime

49

100

0

0

0

Ceftriaxone

49

98.0

1 (2.0)

0

0

Cefuroxime

49

98.0

1 (2.0)

0

0

Ciprofloxacin

49

100

0

0

0

Colistin

49

100

0

0

0

Gentamicin

49

100

0

0

0

Levofloxacin

49

100

0

0

0

Meropenem

49

100

0

0

0

Piperacillin

49

98.0

1 (2.0)

0

0

Piperacillin/tazobactam

49

100

0

0

0

Tobramycin

49

100

0

0

0

Trimethoprim/sulfamethoxazole

49

96.0

0

0

2 (4.0)


Total

735

99.0

5 (0.7)

0 (0)

2 (0.3)


Beuving et al. BMC Microbiology 2011 11:156   doi:10.1186/1471-2180-11-156

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