246-247 / 596
27
Table 2016.2B (cont’d.)
: Comparative Results for the Detection of
Listeria monocytogenes
in 25 g Raw Chicken Breast Fillet Test Portions by the 3M
™
MDA 2 -
1
Listeria monocytogenes
Method vs. USDA/FSIS MLG Chapter 8.09 in a Collaborative Study (High Inoculum Level)
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
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
12
12
1.00
12
12
1.00
12
12
1.00
12
12
1.00
0.00
0.00
6
12
10
0.83
12
12
1.00
12
10
0.83
12
12
1.00
0.00
0.00
7
12
12
1.00
12
12
1.00
12
12
1.00
12
12
1.00
0.00
0.00
8
12
12
1.00
12
12
1.00
12
12
1.00
12
12
1.00
0.00
0.00
9
12
11
0.92
12
12
1.00
12
11
0.92
12
12
1.00
-0.08
-0.08
10
b
12
12
1.00
12
12
1.00
12
12
1.00
12
12
1.00
0.00
0.00
MPN/
Test
Portion
6.24
3.58
10.88
11
a
NA NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
12
12
12
1.00
12
12
1.00
12
12
1.00
12
12
1.00
0.00
0.00
13
12
12
1.00
12
12
1.00
12
12
1.00
12
12
1.00
0.00
0.00
Estimate
All
132 129
0.98
132 132
1.00
132
129
0.98
132 132
1.00
-0.02
-0.02
LCL
0.93
0.97
0.93
0.97
-0.06
-0.06
UCL
0.99
1.00
0.99
1.00
0.01
0.01
s
r
c
0.15
0.00
0.15
0.00
LCL
0.13
0.00
0.13
0.00
UCL
0.17
0.16
0.17
0.16
s
L
d
0.03
0.00
0.03
0.00
LCL
0.00
0.00
0.00
0.00
UCL
0.08
0.16
0.08
0.16
s
R
e
0.15
0.00
0.15
0.00
UCL
0.13
0.00
0.13
0.00
LCL
0.18
0.23
0.18
0.23
P
T
f
0.1089
1.0000
0.1089
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
5
6
AOAC Research Institute
Expert Review Panel Use Only
OMAMAN-30 A/ Collaborative Study Manuscript
OMA ERP June 2016
ERP Use Only