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29
Table 2016.2B
: Comparative Results for the Detection of
E. coli
O157 in 325 g Raw Ground Beef (73% Lean) Test Portions by the
mericon
E. coliSTEC O-
1
Typeusing manual extraction vs. USDA/FSIS MLG 5.09 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
Ground
Beef
1
12
0
0.00
12
0
0.00
12
0
0.00
12
0
0.00
0.00
0.00
2
a
NA NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
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
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
12
0
0.00
12
0
0.00
12
0
0.00
12
0
0.00
0.00
0.00
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
144
0
0.00
144
0
0.00
144
0
0.00
144
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
0.22
0.22
0.22
0.22
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
5
6
OMAMAN-36 A : Collaborative Study Manuscript
For ERP Use Only
January 2017
AOAC Research Institute
Expert Review Panel Use Only