TABLE 2.
Evaluation of the performance of each medium with stock cultures
| Culture and parameter | Result for: |
|||
|---|---|---|---|---|
| MOX | Brilliance Listeria agar | CHROMagar Listeria | LL medium | |
| L. monocytogenes (n = 29) | ||||
| No. true positive | 29 | 29 | 29 | 29 |
| No. false negative | 0 | 0 | 0 | 0 |
| Non-L. monocytogenes (n = 76) | ||||
| No. false positive | 17 | 1 | 3 | 1 |
| No. true negative | 59 | 75 | 73 | 75 |
| Accuracy (%)a | 85.2 | 99.0 | 98.5 | 99.0 |
| Exclusivity (%)b | 77.6 | 98.7 | 96.1 | 98.7 |
| Inclusivity (%)c | 100 | 100 | 100 | 100 |
a
[(True positive + true negative)/total] × 100.
b
[True negative/(true negative + false positive)] × 100.
c
[True positive/(true positive + false negative)] × 100.