Table 4 Sensitivity of SD Bioline™ Dengue Duo according to presence of IgG and days of fever.
Component of SD Bioline™ Dengue Duo analyzed | Negative IgG in acute sera | Positive IgG in acute sera | |||
|---|---|---|---|---|---|
Days of fever onset | 0 to 3 | 4 to 7 | 0 to 3 | 4 to 7 | |
Dengue samples | N = 108 | N = 46 | N = 14 | N = 50 | |
Only NS1 | Positive tests | 71 | 30 | 2 | 8 |
Sensitivity % | 65.7 | 65.2 | 14.3 | 16 | |
(95% CI) | (56-74.6) | (49.8-78.6) | (1.78-42.8) | (7.17-29.1) | |
Any of NS1/IgM | Positive tests | 78 | 34 | 13 | 46 |
Sensitivity % | 72.2 | 74 | 93 | 92 | |
(95% CI) | (62.8-80.4) | (59-85.7) | (66.1-99.8) | (80.8-97.8) | |
Any of NS1/IgM/IgG | Positive tests | 78 | 34 | 14 | 50 |
Sensitivity % | 72.2 | 74 | 100 | 100 | |
(95% CI) | (62.8-80.4) | (59-85.7) | (76.8-100) | (92.9-100) | |