Table 6.
Sensitivity of overall protocol for 16 groups of antibiotics at spike-in concentrations of 10 μg, 5 μg, and 1 μg.
| Antibiotics Group | Sensitivity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 10 μg Spiked-in | 5 μg Spiked-in | 1 μg Spiked-in | |||||||
| Water Sample | Fecal Sample | Meat Sample | Water Sample | Fecal Sample | Meat Sample | Water Sample | Fecal Sample | Meat Sample | |
| Aminoglycosides | 33.3 | 33.3 | 40 | 20 | 13.3 | 33.3 | 0 | 0 | 0 |
| Amphenicols | 100 | 100 | 100 | 100 | 100 | 100 | 50 | 50 | 83.3 |
| Antifolate | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Carbapenems | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cephalosporins | 40 | 40 | 40 | 40 | 40 | 40 | 33.3 | 33.3 | 20 |
| Fluoroquinolones | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 |
| Glycopeptides | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Lincosamides | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Macrolides | 91.7 | 100 | 100 | 91.7 | 83.3 | 100 | 41.7 | 58.3 | 58.3 |
| Nitroimidazole | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 33.3 | 66.7 |
| Penicillins | 66.7 | 66.7 | 66.7 | 66.7 | 44.4 | 66.7 | 22.2 | 0 | 11.1 |
| Pleuromutilins | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Polymyxins | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Quinoxaline 1,4-di-N-oxides (QdNOs) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Sulfonamides | 100 | 100 | 93.3 | 100 | 100 | 100 | 100 | 100 | 100 |
| Tetracyclines | 100 | 100 | 100 | 100 | 100 | 100 | 75 | 83.3 | 58.3 |
Sensitivity = [number of true positives/(number of true positives + number of false negatives)] × 100%.