4. AOACRIMicroMethods-2018Awards
986 B ird et al .: J ournal of aoaC i nternational V ol . 99, n o . 4, 2016
10
Table 2016.01C. ( continued )
Candidate presumptive
Candidate confirmed
Candidate result
Reference method
Candidate versus reference
Matrix and inoculation level Laboratory
Statistic
POD CC
POD C
POD R
dLPOD C
dLPOD CP
N X POD CP
N X
N X
N X
MPN, CFU/test portion
Estimate
0.67 0.53 0.83
All 156 83 0.53 156 83 0.53 156 82 0.53 156 77 0.49 0.03 0.00
LCL UCL
0.44 0.62 0.49 0.44 0.52 0.09 0.00 0.24 0.50 0.45 0.52
0.43 0.63 0.49 0.44 0.52 0.12 0.00 0.27 0.50 0.45 0.52
0.43 0.62 0.49 0.44 0.52 0.10 0.00 0.25 0.50 0.45 0.52
0.41 −0.10 −0.14 0.58 0.16 0.14
s r
0.49 0.45 0.52 0.06 0.00 0.22 0.50 0.45 0.52
LCL UCL
s L
LCL UCL
s R
UCL LCL
0.1725
0.0715
0.1272
0.2813
P T
Raw ground beef (73% lean), high inoculum level
1 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 0.00 0.00 2 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 0.00 0.00 3 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 0.00 0.00 4 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 0.00 0.00 5 b NA NA NA NA NA NA NA NA NA NA NA NA NA NA 6 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 0.00 0.00 7 c NA NA NA NA NA NA NA NA NA NA NA NA NA NA 8 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 0.00 0.00 9 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 0.00 0.00 10 c NA NA NA NA NA NA NA NA NA NA NA NA NA NA 11 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 0.00 0.00 12 12 11 0.92 12 11 0.92 12 11 0.92 12 12 1.00 −0.08 0.00 13 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 0.00 0.00 14 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 0.00 0.00 15 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 0.00 0.00 16 12 12 1.00 12 12 1.00 12 12 1.00 12 12 1.00 0.00 0.00
MPN, CFU/test portion
Estimate
4.76 3.41 6.65
All 156 155 0.99 156 155 0.99 156 155 0.99 156 156 1.00 −0.01 0.00
LCL UCL
0.96 1.00 0.08 0.07 0.15 0.00 0.00 0.03 0.08 0.07 0.09
0.96 1.00 0.08 0.07 0.15 0.00 0.00 0.03 0.08 0.07 0.09
0.96 1.00 0.08 0.07 0.15 0.00 0.00 0.03 0.08 0.07 0.09
0.98 −0.04 −0.03 1.00 0.02 0.03
s r
0.00 0.00 0.15 0.00 0.00 0.15 0.00 0.00 0.21 1.00
LCL UCL
s L
LCL UCL
s R
UCL LCL
0.4395
0.4395
0.4395
P T
a NA = No data submitted by the collaborating laboratory. b Laboratory 5 was unable to conduct the analysis did not submit data for this matrix. c Laboratories 7 and 10 did not participate in the evaluation of this matrix.
d LCL = Lower confidence limit. e UCL = Upper confidence limit.
03/10/2019
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