Statistical analysis for determination of performance of new rapid test
| Total number of samples N=426 | Kirby-Bauer disc diffusion | ||
|---|---|---|---|
| UTI positive | UTI negative | Total | |
| Rapid test | |||
| UTI positive | 228 | 6 | 234 |
| UTI negative | 15 | 177 | 192 |
| Total | 243 | 183 | 426 |
| Sensitivity | 93.82% | ||
| Specificity | 96.72% | ||
| PPV | 97.43% | ||
| NPV | 92.18% | ||
| κ | 0.9 | ||
NPV, negative predictive value; PPV, positive predictive value; UTI, urinary tract infection.