AOAC ERP MICRO AUGUST 2018
460 B ird et al .: J ournal of AOAC I nternational V ol . 100, N o . 2, 2017
Table 2016.07C. ( continued )
Candidate presumptive
Candidate confirmed
Candidate result
Reference method
Candidate vs. reference
Presumptive vs. confirmed
n a
x b
Statistic Matrix Laboratory
POD CP n x
POD CC
POD C n x
POD R
dLPOD C
dLPOD CP
n
x
s r
0.51 0.45 0.52 0.00 0.00 0.16 0.51 0.46 0.52
0.51 0.46 0.52 0.00 0.00 0.14 0.51 0.46 0.52
0.51 0.46 0.52 0.00 0.00 0.14 0.51 0.46 0.52
0.51 0.46 0.52 0.00 0.00 0.11 0.51 0.46 0.52
LCL UCL
s L
LCL UCL
s R
UCL LCL
0.8091
0.9123
0.9123
0.9829
P T
High inoculum level
Deli turkey
1 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 2 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 3 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 4 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 5 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 6 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 7 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 8 NA NA NA NA NA NA NA NA NA NA NA NA 9 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 10 NA NA NA NA NA NA NA NA NA NA NA NA 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 11 12 13
0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00 0.00
NA
NA
0.00
0.00
NA
NA
0.00 0.00 0.00
0.00 0.00 0.00
MPN, CFU/ test portion
Estimate 4.52
All 132 132 1.00 132 132 1.00 132 132 1.00 132 132 1.00
0.00
0.00
LCL UCL
3.19 6.42
0.97 1.00 0.00 0.00 0.16 0.00 0.00 0.16 0.00 0.00 0.23
0.97 1.00 0.00 0.00 0.16 0.00 0.00 0.16 0.00 0.00 0.23
0.97 1.00 0.00 0.00 0.16 0.00 0.00 0.16 0.00 0.00 0.23
0.97 1.00 0.00 0.00 0.16 0.00 0.00 0.16 0.00 0.00 0.23
−0.03
−0.03
0.03
0.03
ERP Use Only
s r
LCL UCL
s L
LCL UCL
s R
UCL LCL
1.000
1.000
1.000
1.000
P T
a n = No. of samples tested. b x = No. of test samples with a positive result (presumptive or confirmed). c NA = Laboratory did not participate or submit data for this matrix.
d LCL = Lower confidence limit. e UCL = Upper confidence limit.
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