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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