Table 2 Evaluation of the diagnostic performance of microscopy and RDT versus PCR
|  | PCR | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Kappa’s test | P value | |
|---|---|---|---|---|---|---|---|---|
Positive | Negative | |||||||
Microscopy | ||||||||
 Positive | 113 | 22 | 83.7 | 52.5 | 44.1 | 87.8 | 0.09 | 0.00 |
 Negative | 143 | 158 | ||||||
RDT | ||||||||
 Positive | 223 | 77 | 74.3 | 74.5 | 87.1 | 57.2 | 0.18 | 0.00 |
 Negative | 33 | 103 | ||||||