Table 2 Diagnostic performance of the different tools
|  | PCR | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Kappa’s test | P value | |
|---|---|---|---|---|---|---|---|---|
| Â | Positive | Negative | ||||||
Microscopy | ||||||||
 Positive | 36 | 17 | 24.8 | 82.5 | 67.9 | 42.3 | 0.063 | 0.18 |
 Negative | 109 | 80 |  |  |  |  |  |  |
RDT | ||||||||
 Positive | 123 | 64 | 84.8 | 34.0 | 65.8 | 60.0 | 0.203 | 0.01 |
 Negative | 22 | 33 |  |  |  |  |  |  |