362-363 / 596
23
Table 2016.2A
: Comparative Results for the Detection of
Listeria
in 125 g Deli TurkeyTest Portions by the 3M
™
MDA 2 -
Listeria
Method vs. USDA/FSIS
1
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)
Deli
Turkey
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
0.00
8
a
NA NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
9
12
0
0.00
12
0
0.00
12
0
0.00
12
0
0.00
0.00
0.00
10
a
NA NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
11
12
0
0.00
12
0
0.00
12
0
0.00
12
0
0.00
0.00
0.00
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
b
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
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
R
d
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
e
1.0000
1.0000
1.0000
1.0000
a
N/A – Laboratory did not participate or submit data for this matrix
3
b
Repeatability Standard Deviation,
c
Among-Laboratory Standard Deviation,
d
Reproducibility Standard Deviation,
e
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