Table 3. Agreement between the dengue virus NS1 antigen and IgM/IgG antibody detection results of available tests.
| Abcam | Euroimmun | Asan | SD | Boditech Med | |
|---|---|---|---|---|---|
| NS1 | |||||
| InBios | - | 98.6*, 0.93 (0.82–1.00)† | 92.8, 0.51 (0.25–0.77) | 94.9, 0.67 (0.45–0.90) | 95.7, 0.73 (0.52–0.93) |
| Euroimmun | - | - | 92.8, 0.51 (0.25–0.77) | 94.9, 0.67 (0.45–0.90) | 95.7, 0.73 (0.52–0.93) |
| Asan | - | - | - | 97.8, 0.79 (0.56–1.00) | 97.1, 0.73 (0.49–0.98) |
| SD | - | - | - | - | 97.8, 0.82 (0.60–1.00) |
| IgM | |||||
| InBios | 86.2, 0.71 (0.60–0.83) | 70.3, 0.34 (0.21–0.48) | 74.6, 0.44 (0.31–0.58) | 73.2, 0.42 (0.27–0.56) | 84.8, 0.69 (0.57–0.81) |
| Abcam | - | 79.7, 0.52 (0.38–0.66) | 81.2, 0.55 (0.42–0.69) | 82.6, 0.60 (0.46–0.74) | 81.2, 0.61 (0.48–0.74) |
| Euroimmun | - | - | 91.3, 0.71 (0.55–0.86) | 89.9, 0.69 (0.54–0.84) | 69.6, 0.33 (0.20–0.47) |
| Asan | - | - | - | 91.3, 0.74 (0.60–0.88) | 73.9, 0.43 (0.30–0.57) |
| SD | - | - | - | - | 72.5, 0.41 (0.27–0.55) |
| IgG | |||||
| InBios | 92.8, 0.86 (0.77–0.94) | 97.1, 0.94 (0.89–0.99) | 83.3, 0.67 (0.55–0.78) | 84.8, 0.70 (0.58–0.81) | 95.7, 0.91 (0.85–0.98) |
| Abcam | - | 92.8, 0.86 (0.77–0.94) | 77.5, 0.57 (0.45–0.69) | 80.4, 0.62 (0.50–0.74) | 91.3, 0.83 (0.73–0.92) |
| Euroimmun | - | - | 84.8, 0.69 (0.58–0.81) | 86.2, 0.72 (0.61–0.83) | 95.7, 0.91 (0.84–0.98) |
| Asan | - | - | - | 94.2, 0.87 (0.79–0.96) | 83.3, 0.66 (0.54–0.78) |
| SD | - | - | - | - | 86.2, 0.72 (0.61–0.83) |
*Agreement (%), †Kappa coefficient (95% confidence interval).
Abbreviations: NS1, non-structural-1; SD, Standard Diagnostics.