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Specificity and sensitivity of the newly developed PCR assay using the conventional antibiotic susceptibility test
| PCR assay | Conventional antibiotic susceptibility test | Total | |
|---|---|---|---|
| Resistant | Sensitive | ||
| Resistant | 21 | 0 | 21 |
| Sensitive | 0 | 240 | 240 |
| Total | 21 | 240 | 261 |
Sensitivity = 21/(0 + 21) × 100 = 100%
Specificity = 240/(0 + 240) × 100 = 100%
Positive predictive value = 21/(0 + 21) × 100 = 100%
Negative predictive value = 240/(0 + 236) × 100 = 100%
