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26
Table 2016.2B
: Comparative Results for the Detection of
Listeria monocytogenes
in 25 g Raw Chicken Breast Fillet Test Portions by the 3M
™
MDA 2 -
Listeria
1
monocytogenes
Method vs. USDA/FSIS MLG Chapter 8.09 in a Collaborative Study (Un-inoculated Control)
2
Statistic
Matrix/
Inoculation
Level
Laboratory
Candidate presumptive
(CP)
Candidate confirmed (CC)
Candidate result (C)
Reference method (R)
C vs. R
N
X
POD
(CP)
N
X
POD
(CC)
N
X
POD
(C)
N
X
POD
(R)
dLPOD
(C,R)
dLPOD
(CP,CC)
Raw
Chicken
Breast
Fillet
1
12
0
0.00
12
0
0.00
12
0
0.00
12
0
0.00
0.00
0.00
2
12
0
0.00
12
0
0.00
12
0
0.00
12
0
0.00
0.00
0.00
3
12
0
0.00
12
0
0.00
12
0
0.00
12
0
0.00
0.00
0.00
4
12
0
0.00
12
0
0.00
12
0
0.00
12
0
0.00
0.00
0.00
5
12
0
0.00
12
0
0.00
12
0
0.00
12
0
0.00
0.00
0.00
6
12
0
0.00
12
0
0.00
12
0
0.00
12
0
0.00
0.00
0.00
7
12
0
0.00
12
0
0.00
12
0
0.00
12
0
0.00
0.00
0.08
8
12
0
0.00
12
0
0.00
12
0
0.00
12
0
0.00
0.00
0.00
9
12
0
0.00
12
0
0.00
12
0
0.00
12
0
0.00
0.00
0.00
10
b
12
0
0.00
12
2
0.17
12
0
0.00
12
0
0.00
0.00
-0.17
11
a
NA NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
12
12
0
0.00
12
0
0.00
12
0
0.00
12
0
0.00
0.00
0.00
13
12
0
0.00
12
0
0.00
12
0
0.00
12
0
0.00
0.00
0.00
Estimate
All
132
0
0.00
132
0
0.00
132
0
0.00
132
0
0.00
0.00
0.00
LCL
0.00
0.00
0.00
0.00
-0.03
-0.03
UCL
0.03
0.03
0.03
0.03
0.03
0.03
s
r
c
0.00
0.00
0.00
0.00
LCL
0.00
0.00
0.00
0.00
UCL
0.16
0.16
0.16
0.16
s
L
d
0.00
0.00
0.00
0.00
LCL
0.00
0.00
0.00
0.00
UCL
0.16
0.16
0.16
0.16
s
R
e
0.00
0.00
0.00
0.00
UCL
0.00
0.00
0.00
0.00
LCL
0.23
0.23
0.23
0.23
P
T
f
1.0000
1.0000
1.0000
1.0000
a
N/A – Laboratory did not participate or submit data for this matrix;
b
Results were not used in statistical analysis due to deviation from testing protocol.
3
c
Repeatability Standard Deviation,
d
Among-Laboratory Standard Deviation,
e
Reproducibility Standard Deviation,
f
P
T
Value = Homogeneity test of laboratory PODs
4
LCL – Lower Confidence Limit; UCL – Upper Confidence Limit
, N = number of samples tested, X = number of test samples with a positive result (presumptive or confirmed)
5
6
7