Microbiology-PTM-OMA_Modules_1-5

Data Table – Quantitative Method SLV

Table 1. Matrix study results for enumeration of E. coli

Candidate Method

Reference Method

DOM (Δlog CFU/g)

Matrix

Level

N

95% CI

Mean (log CFU/g)

Mean (log CFU/g)

s r

s r

Low

5

2.236

0.125

2.261

0.084

‐0.025

(‐0.268, 0.217)

Raw ground  pork

Med

5

4.526

0.094

4.239

0.041

0.287

(0.154, 0.420)

High

5

6.465

0.056

6.210

0.109

0.256

(0.102, 0.409)

Low

5

2.388

0.079

2.198

0.067

0.190

(0.097, 0.284)

Raw chicken  breast

Med

5

4.541

0.079

4.263

0.044

0.278

(0.161, 0.394)

High

5

6.432

0.078

6.200

0.181

0.232

(0.007, 0.456)

Low

5

2.322

0.151

2.245

0.146

0.077

(‐0.122, 0.276)

Raw chicken  breast a

Med

5

4.371

0.042

4.211

0.066

0.160

(0.069, 0.251)

High

5

6.356

0.048

6.139

0.118

0.217

(0.092, 0.341)

Note : Acceptance criteria for DOM (difference of means) and 95% CI on DOM are currently under consideration.  a Matrix tested by the Independent Laboratory