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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