Table 2

Agreements and errors for AST of GPC and GNR for the direct and routinely used Phoenix method

Direct vs routinely used method

Direct method after discrepancy analysis

Routine method after discrepancy analysis


GPC (n = 84)

Categorical agreement

93.1%

95.4%

97.3%

Minor errors

1.7%

1.1%

0.7%

Major errors

4.2%

3.1%

0.8%

Very major errors

0.9%

0.4%

1.6%


GNR (n = 49)

Categorical agreement

97.6%

99.0%

98.4%

Minor errors

1.9%

0.7%

1.4%

Major errors

0.1%

0.0%

0.1%

Very major errors

0.4%

0.3%

0.1%


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

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