Statistics Meeting Book (June 20, 2017)

63 / 67

© 2012 AOAC INTERNATIONAL
AOAC OFFICIAL METHODS OF ANALYSIS (2012) MICROBIOLOGY GUIDELINES
Appendix J, p. 19
ANNEX G
Data Summary Table Template and Example for Qualitative Method Collaborative Studies
Table G1. Comparative results for the detection of
Listeria innocua
in raw shrimp by the candidate and reference methods in an interlaboratory study
Candidate presumptive (CP)
Candidate confirmed (CC)
Candidate result (C)
Reference method (R)
C vs R CP vs CC
Statistic
Concn,MPN/25 g Lab
N
x
POD(CP)
N
x
POD(CC)
N
x
POD(C)
N
x
POD(R)
dLPOD(C,R)
dLPOD(CP,CC)
01
12
0
0.00
12
0
0.00
12
0
0.00
12
0 0.00
0.00
0.00
02
12
0
0.00
12
0
0.00
12
0
0.00
12
0 0.00 0.00
0.00
03
12
0
0.00
12
0
0.00
12
0
0.00
12
0 0.00 0.00
0.00
04
12
0
0.00
12
0
0.00
12
0
0.00
12
0 0.00 0.00
0.00
05
12
0
0.00
12
0
0.00
12
0
0.00
12
0 0.00 0.00
0.00
06
12
0
0.00
12
0
0.00
12
0
0.00
12
0 0.00 0.00
0.00
07
12
0
0.00
12
0
0.00
12
0
0.00
12
0 0.00 0.00
0.00
08
12
0
0.00
12
0
0.00
12
0
0.00
12
0 0.00 0.00
0.00
09
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
Estimate 0.00
All
120
0
0.00
120
0
0.00
120
0
0.00
120
0 0.00 0.00
0.00
LCL
0.00
0.00
0.00
0.00
0.00 –1.00
–1.00
UCL
0.02
0.17
0.03
0.03
0.03
0.03
0.03
s r
0.00
0.00
0.00
0.00
LCL
0.00
0.00
0.00
0.00
UCL
0.17
17
0.17
0.17
s L
0.00
0.00
0.00
0.00
LCL
0.00
0.00
0.00
0.00
UCL
0.03
0.03
3.00
0.03
s R
0.00
0.00
0.00
0.00
LCL
0.00
0.00
0.00
0.00
UCL
0.24
0.24
0.24
0.24
P
T
1.0000
1.0000
1.0000
1.0000
01
12
8
0.67
12
8
0.67
12
8
0.67
12
7 0.58 0.08
0.00
02
12
9
0.75
12
8
0.67
12
8
0.67
12
7 0.58 0.08
0.08
03
12
8
0.67
12
8
0.67
12
8
0.67
12
6 0.50 0.17
0.00
04
12
6
0.50
12
6
0.50
12
6
0.50
12
10 0.83 –0.33
0.00
05
12
7
0.58
12
7
0.58
12
7
0.58
12
7 0.58 0.00
0.00
06
12
6
0.50
12
6
0.50
12
6
0.50
12
8 0.67 –0.17
0.00
07
12
8
0.67
12
8
0.67
12
8
0.67
12
6 0.50 0.17
0.00