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988
B
ird
et al
.:
J
ournal of
aoaC i
nternational
V
ol
.
99, n
o
.
4, 2016
Statistic
Matrix and
inoculation
level
Laboratory
Candidate
presumptive
Candidate
confirmed
Candidate
result
Reference
method
Candidate versus
reference
N X
POD
CP
N X
POD
CC
N X
POD
C
N X
POD
R
dLPOD
C
dLPOD
CP
MPN, CFU/
test portion
Estimate 0.70
All
132 78 0.59 132 76 0.58 132 76 0.58 132 68 0.52 0.06
0.02
LCL
0.55
0.50
0.49
0.49
0.43 −0.06 −0.11
UCL
0.89
0.68
0.66
0.66
0.61 0.18
0.14
s
r
0.50
0.51
0.51
0.51
LCL
0.45
0.45
0.45
0.45
UCL
0.52
0.52
0.52
0.52
s
L
0.00
0.00
0.00
0.00
LCL
0.00
0.00
0.00
0.00
UCL
0.16
0.13
0.13
0.15
s
R
0.50
0.51
0.51
0.51
UCL
0.45
0.46
0.46
0.46
LCL
0.52
0.52
0.52
0.52
P
T
0.8294
0.9590
0.9590
0.8762
Creamy
peanut
butter, high
inoculum
level
1
12 12 1
.00 12 12 1.00 1212 1
.00 12 12 1.00 0.000.00
2
12 12 1.
00 12 12 1.00 1212 1
.00 12 12 1.00 0.000.00
3
a
12 12 1
.00 12 12 1.00 1212 1
.00 12 12 1.00 0.000.00
4
12 12 1
.00 12 12 1.00 1212 1
.00 12 12 1.00 0.000.00
5
b
NA NA NA NA NA NA NA NA NA NA NA NA NA
NA
6
12 12 1
.00 12 12 1.00 1212 1
.00 12 12 1.00 0.000.00
7
a
12 12 1
.00 12 12 1.00 1212 1
.00 12 12 1.00 0.000.00
8
12 12 1
.00 12 12 1.00 1212 1
.00 12 12 1.00 0.000.00
9
12 12 1
.00 12 12 1.00 1212 1
.00 12 12 1.00 0.000.00
10
12 12 1
.00 12 12 1.00 1212 1
.00 12 12 1.00 0.000.00
11
b
NA NA NA NA NA NA NA NA NA NA NA NA NA
NA
12
12 12 1
.00 12 12 1.00 1212 1
.00 12 12 1.00 0.000.00
13
12 12 1
.00 12 12 1.00 1212 1
.00 12 12 1.00 0.000.00
14
12 12 1
.00 12 12 1.00 1212 1
.00 12 12 1.00 0.000.00
15
12 12 1
.00 12 12 1.00 1212 1
.00 12 12 1.00 0.000.00
16
d
NA NA NA NA NA NA NA NA NA NA NA NA NA
NA
MPN, CFU/
test portion
Estimate 5.35
All
132 132 1
.00 132 132 1.00 132132 1
.00 132 132 1.00 0.000.00
LCL
3.46
0.97
0.97
0.97
0.97 −0.03 −0.03
UCL
8.24
1.00
1.00
1.00
1.00 0.03
0.03
s
r
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
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
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
1.000
1.000
1.000
1.000
a
Results from Laboratories 3 and 7 were not used in statistical analysis due to a reported contamination of control samples and a deviation from the
testing protocol, respectively.
b
Laboratories 5 and 11 were unable to conduct the analysis did not submit data for this matrix.
c
NA = No data were submitted by the collaborating laboratory.
d
Laboratory 16 did not participate in the evaluation of this matrix.
e
LCL = Lower confidence limit.
f
UCL = Upper confidence limit.
Table 2016.01D. (
continued
)