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0.66). A dPOD
C
value of 0.05 was obtained with 95% confidence intervals of (-0.24, 0.33) indicating no statistical
difference between the candidate and reference method. For the low inoculation level a POD
CP
value and a POD
CC
value of 0.50 was obtained with 95% confidence intervals of (0.30, 0.70). A dPOD
CP
value of 0.00 with 95%
confidence intervals of (-0.28, 0.28) indicating no statistical difference between the candidate method presumptive
and confirmed results.
For the high inoculation level, there were 5 presumptive and confirmed positives for the candidate method and 5
confirmed positives following the reference method. A POD
C
and POD
R
value of 1.00 was obtained with 95%
confidence intervals of (0.57, 1.00). A dPOD
C
value of 0.00 was obtained with 95% confidence intervals of (-0.43,
0.43), indicating no statistical difference between the candidate and reference method. A POD
CP
value and a POD
CC
value of 1.00 was obtained with 95% confidence intervals of (0.57, 1.00). A dPOD
C
value of 0.00 was obtained with
95% confidence intervals of (-0.43, 0.43), indicating no statistical difference between the candidate method
presumptive and confirmed results.
Sprout Irrigation Water
For the low inoculation level, there were 10 presumptive and confirmed positives for the candidate method and 10
confirmed positives following the USDA/FSIS reference method. A POD
C
value of 0.50 was obtained with 95%
confidence intervals of (0.30, 0.70). A POD
R
value of 0.50 was obtained with 95% confidence intervals of (0.30,
0.70). A dPOD
C
value of 0.00 was obtained with 95% confidence intervals of (-0.28, 0.28) indicating no statistical
difference between the candidate and reference method. For the low inoculation level a POD
CP
value and a POD
CC
value of 0.50 was obtained with 95% confidence intervals of (0.30, 0.70). A dPOD
CP
value of 0.00 with 95%
confidence intervals of (-0.28, 0.28) indicating no statistical difference between the candidate method presumptive
and confirmed results.
For the high inoculation, level there were 5 presumptive and confirmed positives for the candidate method and 5
confirmed positives following the reference method. A POD
C
and POD
R
value of 1.00 was obtained with 95%
confidence intervals of (0.57, 1.00). A dPOD
C
value of 0.00 was obtained with 95% confidence intervals of (-0.43,
0.43), indicating no statistical difference between the candidate and reference method. A POD
CP
value and a POD
CC
value of 1.00 was obtained with 95% confidence intervals of (0.57, 1.00). A dPOD
C
value of 0.00 was obtained with
95% confidence intervals of (-0.43, 0.43), indicating no statistical difference between the candidate method
presumptive and confirmed results.
Raw Head-on Shrimp from 4 and 24 Hour RV 10 Broth
For the low inoculation level after a 4 hour incubation in RV10 broth, there were 8 presumptive and 10 confirmed
positives for the candidate method and 12 confirmed positives following the FDA/BAM reference method. A POD
C
value of 0.50 was obtained with 95% confidence intervals of (0.30, 0.70). A POD
R
value of 0.60 was obtained with
95% confidence intervals of (0.39, 0.78). A dPOD
C
value of -0.10 was obtained with 95% confidence intervals of (-
0.37, 0.19) indicating no statistical difference between the candidate and reference method. For the low inoculation
level on the head-on shrimp after a 4 hour incubation in RV10 broth a POD
CP
value of 0.40 was obtained with 95%
confidence intervals of (0.22,0.61) . A POD
CC
value of 0.50 was obtained with 95% confidence intervals of (0.30,
0.70). A dPOD
CP
value of -0.10 with 95% confidence intervals of (-0.37, 0.19) indicating no statistical difference
between the candidate method presumptive and confirmed results.
For the low inoculation level after a 24 hour incubation in RV10 broth, there were 10 presumptive and confirmed
positives for the candidate method and 12 confirmed positives following the FDA/BAM reference method. A POD
C
value of 0.50 was obtained with 95% confidence intervals of (0.30, 0.70). A POD
R
value of 0.60 was obtained with
95% confidence intervals of (0.39, 0.78). A dPOD
C
value of -0.10 was obtained with 95% confidence intervals of (-
0.37, 0.19) indicating no statistical difference between the candidate and reference method. For the low inoculation
level a POD
CP
value and a POD
CC
value of 0.50 was obtained with 95% confidence intervals of (0.30, 0.70). A
dPOD
CP
value of -0.00 with 95% confidence intervals of (-0.28 0.28) indicating no statistical difference between the
candidate method presumptive and confirmed results
For the high inoculation level, there were 5 presumptive and confirmed positives for the candidate method and 5
confirmed positives following the reference method. A POD
C
and POD
R
value of 1.00 was obtained with 95%
confidence intervals of (0.57, 1.00). A dPOD
C
value of 0.00 was obtained with 95% confidence intervals of (-0.43,
2013.09 /PTM Matrix Extension Report
March 2014
Expert Review Panel Use Only
AOAC Research Institute
Expert Review Panel Use Only