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Evaluation of efficacy of each medium for the isolation of L. monocytogenes from 50 spiked food samples
| Medium | Sensitivity, %a | Confirmation rate, % (no. positive/total)b |
|---|---|---|
| MOX | 54.0 | 52.0 (130/250) |
| Brilliance Listeria agar | 92.0 | 98.7 (227/230) |
| CHROMagar Listeria | 96.0 | 98.3 (236/240) |
| LL medium | 96.0 | 98.8 (237/240) |
[No. of true positives/(no. of true positives + no. of false negatives)] × 100.
Percentage of suspect colonies tested and confirmed positive for L. monocytogenes.
