Table 1 2 × 2 Contingency table showing tetracycline resistance testing results of MBT-ASTRA and disk diffusion compared to MIC-gradient strip test for 100 recent clinical P. multocida isolates derived from cattle.
Test | Reference test (MIC-gradient strip test) | ||
|---|---|---|---|
Resistant | Susceptible | ||
MBT-ASTRA | Resistant | 95.7% (44/46) | 0% (0/54) |
Susceptible | 4.3% (2/46) | 100% (54/54) | |
Total | 100% (46/46) | 100% (54/54) | |
Disk diffusion | Resistant | 93.5% (43/46) | 3.7% (2/54) |
Susceptible | 6.5% (3/46) | 96.2% (52/54) | |
Total | 100% (46/46) | 100% (54/54) | |
