358-359 / 1195
Revised Mar 2014
35
Table 2013.2B (cont’d)
: Comparative Results for the Detection of
Salmonella
spp. in Wet Dog Food (375 g) by the 3M MDA
Salmonella
Method vs. FDA/BAM
1
in an Inter-laboratory Study (Low-Level Inoculum)
2
Statistic
MPN/
Test Portion 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)
1
12
3
0.25
12
3
0.25
12
3
0.25
12
6
0.50
-0.25
0.00
2
12
6
0.50
12
6
0.50
12
6
0.50
12
6
0.50
0.00
0.00
3
12
5
0.42
12
5
0.42
12
5
0.42
12
6
0.50
-0.08
0.00
4
a
12
7
0.58
12
7
0.58
12
7
0.58
12
6
0.50
0.08
0.00
5
a
12
8
0.67
12
8
0.67
12
8
0.67
12
3
0.25
0.42
0.00
6
12
6
0.50
12
6
0.50
12
6
0.50
12
6
0.50
0.00
0.00
7
12
7
0.58
12
7
0.58
12
7
0.58
12
7
0.58
0.00
0.00
8
12
7
0.58
12
7
0.58
12
7
0.58
12
8
0.67
-0.09
0.00
9
12
6
0.50
12
6
0.50
12
6
0.50
12
6
0.50
0.00
0.00
10
a
12
10
0.83
12
8
0.67
12
8
0.67
12
6
0.50
0.17
-0.16
11
12
7
0.58
12
7
0.58
12
7
0.58
12
6
0.50
0.08
0.00
12
b
NA
i
NA
NA
NA NA
NA
NA NA
NA
NA NA
NA
NA
NA
13
12
6
0.50
12
6
0.50
12
6
0.50
12
6
0.50
0.00
0.00
14
12
6
0.50
12
6
0.50
12
6
0.50
12
6
0.50
0.00
0.00
15
12
6
0.50
12
6
0.50
12
6
0.50
12
7
0.58
-0.08
0.00
16
a
12
7
0.58
12
6
0.50
12
6
0.50
12
7
0.58
-0.08
-0.08
17
b
NA NA
NA
NA NA
NA
NA NA
NA
NA NA
NA
NA
NA
18
b
NA NA
NA
NA NA
NA
NA NA
NA
NA NA
NA
NA
NA
19
b
NA NA
NA
NA NA
NA
NA NA
NA
NA NA
NA
NA
NA
20
b
NA NA
NA
NA NA
NA
NA NA
NA
NA NA
NA
NA
NA
Estimate
All
132 65
0.49
132 65
0.49
132 65
0.49
132 70
0.53
-0.04
0.00
LCL
c
0.40
0.40
0.40
0.44
-0.16
-0.13
UCL
d
0.58
0.58
0.58
0.62
0.09
0.13
s
r
e
0.51
0.51
0.51
0.52
LCL
0.46
0.46
0.46
0.46