4. AOACRIMicroMethods-2018Awards
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814 B ird et al . : J ournal of AOAC I nternational V ol . 96, N o . 4, 2013
Table 2013.01B. Summary of results for the detection of Salmonella spp. in raw ground beef (375 g)
VIDAS SPT with traditional confirmation on BGSA and XLT4
VIDAS SPT with traditional confirmation on IBISA and ASAP b
VIDAS SPT with alternative confirmation on IBISA and ASAP c
Method a
Inoculation level Uninoculated Low
High
Uninoculated Low
High
Uninoculated Low
High
Candidate
0/132
58/131
130/132
0/132
58/131 130/132
0/132
57/131 130/132
presumptive positive/total
samples analyzed Candidate
0.44 (+0.34, +0.55)
0.98 (+0.95, +1.00)
0.00 (0.00, +0.03)
0.44 (+0.33, +0.54)
0.98 (+0.965, +1.00)
0.00 (0.00, +0.03)
0.44 (+0.34, +0.55)
0.98 (+0.95, +1.00)
0.00 (0.00, +0.03)
presumptive POD (CP)
d
0.00 (0.00, +0.16) 0.00 (0.00, +0.16) 0.00 (0.00, +0.23)
0.49 (+0.43, +0.52) 0.10 (0.00, +0.27) 0.50 (+0.44, +0.52)
0.12 (+0.11, +0.16) 0.00 (0.00, +0.05) 0.12 (+0.11, +0.14)
0.00 (0.00, +0.16) 0.00 (0.00, +0.16) 0.00 (0.00, +0.23)
0.49 (+0.43, +0.52) 0.10 (0.00, +0.27) 0.50 (+0.44, +0.52)
0.12 (+0.11, +0.16) 0.00 (0.00, +0.05) 0.12 (+0.11, +0.14)
s r
0.00 (0.00, +0.16) 0.00 (0.00, +0.16) 0.00 (0.00, +0.23)
0.49 (+0.44. +0.52) 0.09 (0.00, +0.26) 0.50 (+0.45, +0.52)
0.12 (+0.11, +0.16) 0.00 (0.00, +0.05) 0.12 (+0.11, +0.14)
e
s L
f
s R
P -value
1.0000
0.1551 58/131
0.5190 130/132
1.0000
0.1551
0.5190
1.0000
0.1906
0.5190
59/131 130/132
0/132
58/131 130/132
Candidate confirmed
0/132
0/132
positive/total samples analyzed
Candidate confirmed POD (CC)
0.00 (0.00, +0.03)
0.44 (+0.34, +0.55)
0.98 (+0.95, +1.00)
0.00 (0.00, +0.03)
0.45 (+0.35, +0.55)
0.98 (+0.95, +1.00)
0.00 (0.00, +0.03)
0.44 (+0.34, +0.55)
0.98 (+0.95, +1.00)
0.49 (+0.43, +0.52) 0.10 (0.00, +0.27) 0.50 (+0.45, +0.52)
0.12 (+0.11, +0.16) 0.00 (0.00, +0.05) 0.12 (0.11, +0.14)
0.00 (0.00, +0.16) 0.00 (0.00, +0.16) 0.00 (0.00, +0.23)
0.49 (+0.44, +0.52) 0.09 (0.00, +0.25) 0.50 (+0.45, +0.52)
0.12 (+0.11, +0.16) 0.00 (0.00, +0.05) 0.12 (+0.11, +0.14)
0.00 (0.00, +0.16) 0.00 (0.00, +0.16) 0.00 (0.00, +0.23)
0.49 (+0.43, +0.52) 0.10 (0.00, +0.27) 0.50 (+0.45, +0.52)
0.12 (+0.11, +0.16) 0.00 (0.00, +0.05) 0.12 (+0.11, +0.14)
0.00 (0.00, +0.16) 0.00 (0.00, +0.16) 0.00 (0.00, +0.23)
s r
s L
s R
P -value Positive
1.0000
0.1551 57/132
0.5190 132/132
1.0000
0.2060
0.5190
1.0000
0.1551
0.5190
0/132
0/132
57/132 132/132
0/132
54/132 131/132
reference samples/total
samples analyzed
Reference POD 0.00 (0.00, +0.03)
0.43 (+0.35, +0.52) 0.50 (+0.45, +0.52) 0.00 (0.00, +0.18) 0.50 (+0.45, +0.52) 0.01 (–0.12, +0.15) 0.00 (–0.15, +0.15) 0.6261
1.00 (+0.97, +1.00) 0.00 (0.00, +0.17) 0.00 (0.00, +0.17) 0.00 (0.00, +0.23) –0.02 (–0.05, +0.02) 0.00 (–0.04, +0.04) 1.0000
0.00 (0.00, +0.03) 0.00 (0.00, +0.16) 0.00 (0.00, +0.16) 0.00 (0.00, +0.23) 0.00 (–0.03, +0.03) 0.00 (–0.03, +0.03) 1.0000
0.43 (+0.35, +0.52) 0.50 (+0.45, +0.52) 0.00 (0.00, +0.18) 0.50 (+0.45, +0.52) 0.02 (–0.18, +0.22) –0.01 (–0.15, +0.14) 0.6261
1.00 (+0.97, +1.00) 0.00 (0.00, +0.17) 0.00 (0.00, +0.17) 0.00 (0.00, +0.23) –0.02 (–0.05, +0.02) 0.00 (–0.04, +0.04) 1.0000
0.00 (0.00, +0.03) 0.00 (0.00, +0.16) 0.00 (0.00, +0.16) 0.00 (0.00, +0.23) 0.00 (–0.03, +0.03) 0.00 (–0.03, +0.03) 1.0000
0.41 (+0.32, +0.50) 0.49 (+0.44, +0.52) 0.05 (0.00, +0.22) 0.49 (+0.44, +0.52) 0.03 (–0.18, +0.24) –0.01 (–0.21, +0.23) 0.3313
0.99 (+0.96, +1.00) 0.09 (+0.08, +0.16) 0.00 (0.00, +0.04) 0.09 (+0.08, +0.10) –0.01 (–0.05, +0.03) 0.00 (–0.04, +0.04) 0.4338
0.00 (0.00, +0.16) 0.00 (0.00, +0.16) 0.00 (0.00, +0.23)
s r
s L
s R
P -value
1.0000
dLPOD (C vs R) 0.00 (–0.03, +0.03)
dLPOD (CP vs CC)
0.00 (–0.03, +0.03)
a Results include 95% confidence intervals. b Traditional confirmation on ASAP/IBISA = secondary enrichments streaked onto IBISA and ASAP. c Alternative confirmation = direct streak of the primary enrichment onto IBISA and ASAP. d Repeatability standard deviation.
e Among-laboratory standard deviation. f Reproducibility standard deviation.
03/10/2019
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