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Distribution of samples in experiment 2 categorized by the gold standard E. coli O157 concentration (log10 CFU/g)
| Categorya | No. of samples (% of total) |
|---|---|
| 0 (not detected) | 83 (17.3) |
| <1 | 167 (34.8) |
| 1 to 2 | 36 (7.5) |
| 2 to 3 | 46 (9.6) |
| 3 to 4 | 66 (13.8) |
| 4 to 5 | 46 (9.6) |
| 5 to 6 | 28 (5.8) |
| 6 to 7 | 8 (1.7) |
Categories are described in Results.
