AOAC-RI ERP Book Micro Jan 19 2017

Table 5. POD CP , POD CC , and dPOD CP Values for the Candidate Method (25 g Frozen Blueberries Analyzed via the 3M TM MDA) and POD R , POD C , and dPOD C Values for Candidate Method vs. the Reference Method (25 g Frozen Blueberries Analyzed via the FDA BAM Ch. 4A) 1

Method / Inoculation Level

Measure Value

95% CI

POD CP POD CC dPOD CP POD CP POD CC dPOD CP POD CP POD CC dPOD CP

1.000 (0.5655, 1.000) 1.000 (0.5655, 1.000) 0.000 (-0.434, 0.434) 0.400 (0.2188, 0.6134) 0.400 (0.2188, 0.6134) 0.000 (-0.280, 0.280) 0.000 (0.000, 0.4345) 0.000 (0.000, 0.4345) 0.000 (-0.434, 0.434) 1.000 (0.5655, 1.000) 1.000 (0.5655, 1.000) 0.000 (-0.434, 0.434) 0.400 (0.2188, 0.6134) 0.400 (0.2188, 0.6134) 0.000 (-0.280, 0.280) 0.000 (0.000, 0.4345) 0.000 (0.000, 0.4345) 0.000 (-0.434, 0.434)

Candidate Method Screening vs. Confirmation High Level Inoculation

Candidate Method Screening vs. Confirmation Low Level Inoculation

Candidate Method Screening vs. Confirmation Un-inoculated

POD R POD C

Reference Method vs. Candidate Method High Level Inoculation

dPOD C

POD R POD C

Reference Method vs. Candidate Method Low Level Inoculation

dPOD C

POD R POD C

Reference Method vs. Candidate Method Un-inoculated

dPOD C

1. POD CP , Probability of Detection for Candidate Method “Screening Stage” Positive Results; POD CC

, Probability of Detection for Candidate Method “Confirmation Stage”

Results; dPOD CP

, POD CP

Minus POD CC

; POD R , Probability of Detection for Reference Method Confirmed Results; POD C

, Probability of Detection for Candidate Method . 95% Confidence Interval Values are Generated from

Confirmed Results (i.e. Combined “Screening Stage” and “Confirmation Stage” Results); dPOD C , POD R

Minus POD C

the AOAC International POD Calculator.

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