Table 1.
Laboratorial diagnosis on dengue suspected fatal cases (n = 1047) confirmation in Brazil, 1986–2015
| Diagnostic test | Sample | Total (%) | |
|---|---|---|---|
| Acute (< 7 days of illness) Positive/Tested (%) | Convalescent (≥7 days of illness) Positive/Tested (%) | ||
| Virus isolation | 46/768 (6.0) | Not done | 46/768 (6.0) |
| RT-PCR | 142/774 (18.3) | 11/112 (9.82) | 153/886 (17.3) |
| MAC-ELISA | 120/489 (24.5) | 42/113 (37.2) | 162/602 (26.9) |
| IgG-ELISA | 261/345 (75.6) | 57/73 (78.1) | 318/418 (76.0) |
| NS1-ELISA | 120/415 (28.9) | 24/93 (25.8) | 144/508 (28.3) |