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Verification of Microbiology Tests - SWACM

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<strong>Verification</strong> <strong>of</strong> AST<br />

• At least 30 isolates per panel<br />

• Acceptance criteria<br />

– If reference method is not used, no very major<br />

errors<br />

– Less than 5% major errors (one test S or R, other<br />

test opposite result)<br />

– Overall essential agreement (+/- 1 tw<strong>of</strong>old<br />

dilution) and categorical agreement (SIR) ≥90%<br />

Source: Cumitech 31A<br />

13

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