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DuPont™ BAX
®
System Real-Time PCR Assay for
Salmonella
: Collaborative Study
DuPont Nutrition & Health
Page 15
1
Table 2 - BAX® System vs. Reference Method Results for Orange Juice (Low Level Inoculum)
Statistic
MPN/
Test Portion
Laboratory
Candidate presumptive
(CP)
Candidate confirmed
(CC)
Candidate result (C)
Reference method (R)
C vs. R
N
x
POD(CP)
a
N
x
POD(CC)
b
N
X
POD(C)
c
N
X
POD(R)
d
dLPOD
e
(C,R)
dLPOD
(CP,CC)
0.37
0.16
0.88
1
12
4
0.33
12
4
0.33
12
4
0.33
12
3
0.25
0.08
0.00
2
f
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
3
12
6
0.50
12
6
0.50
12
6
0.50
12
6
0.50
0.00
0.00
4
12
7
0.58
12
7
0.58
12
7
0.58
12
5
0.42
0.16
0.00
5
12
10
0.83
12
9
075
12
9
075
12
8
0.67
0.08
0.08
6
12
6
0.50
12
6
0.50
12
6
0.50
12
6
0.50
0.00
0.00
7
12
6
0.50
12
6
0.50
12
6
0.50
12
5
0.42
0.08
0.00
8
12
8
0.67
12
8
0.67
12
8
0.67
12
6
0.50
0.17
0.00
9
12
4
0.33
12
4
0.33
12
4
0.33
12
7
0.58
-0.25
0.00
10
12
8
0.67
12
8
0.67
12
8
0.67
12
8
0.67
0.00
0.00
11
12
9
0.75
12
9
0.75
12
9
0.75
12
5
0.42
0.33
0.00
12
12
6
0.50
12
5
0.42
12
5
0.42
12
6
0.50
-0.08
0.08
13
12
7
0.58
12
7
0.58
12
7
0.58
12
7
0.58
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
7
0.58
12
7
0.58
12
7
0.58
12
10
0.83
-0.25
0.00
Estimate
All
168
94
0.56
168
92
0.55
168
92
0.55
168
88
0.52
0.02
0.01
LCL
0.48
0.47
0.47
0.45
-0.08
-0.10
UCL
0.64
0.62
0.62
0.60
0.13
0.12
s
r
g
0.50
0.50
0.50
0.50
LCL
0.45
0.45
0.45
0.45
UCL
0.52
0.52
0.52
0.52
s
L
h
0.00
0.00
0.00
0.00
LCL
0.00
0.00
0.00
0.00
UCL
0.18
0.17
0.17
0.18
s
R
i
0.50
0.50
0.50
0.50
UCL
0.45
0.45
0.45
0.45
LCL
0.52
0.52
0.52
0.52
P
T
j
0.4901
0.5903
0.5903
0.5021
2
FINAL (Version 4)