Table 5. Performance of dengue NS1-RDT vs. standard RT-PCR.
NS1-RDT | RT-PCR confirmed acute Dengue samples | Non-dengue samples or OFI | Total | ||||
---|---|---|---|---|---|---|---|
DENV1 | DENV2 | DENV3 | DENV4 | Total | |||
Positive (+) | 40 | 38 | 35 | 34 | 147 | 1 | 148 |
Negative (-) | 10 | 17 | 10 | 16 | 53 | 49 | 102 |
Total | 50 | 55 | 45 | 50 | 200 | 50 | 250 |
% sensitivity to serotype | 80.0% (40/50) | 69.1% (38/55) | 77.8% (35/45) | 68.0% (34/50) | |||
% sensitivity | 73.5% (147/200) | ||||||
% specificity | 98.0% (49/50) |