Table 2.
The NS1 Ag detection rates, using the in-house ELISA NS1 Ag test for four DENV serotypes, up to 9 days after onset of fever
| Days since onset of fever | Total, n (%) | Positive NS1 Ag, n (%) | ||||
|---|---|---|---|---|---|---|
| Total | DENV-1 | DENV-2 | DENV-3 | DENV-4 | ||
| Day 1 | 29 (5) | 29 (100) | 1 (100) | 2 (100) | 8 (100) | 18 (100) |
| Day 2 | 112 (19.4) | 112 (100) | 9 (100) | 13 (100) | 28 (100) | 62 (100) |
| Day 3 | 131 (22.7) | 128 (97.7) | 15 (93.8) | 16 (100) | 26 (100) | 71 (91.3) |
| Day 4 | 107 (18.5) | 93 (86.9) | 8 (88.9) | 13 (86.7) | 16 (94.1) | 56 (84.8) |
| Day 5 | 90 (15.6) | 64 (71.7) | 7 (87.5) | 9 (64.3) | 10 (66.7) | 38 (71.7) |
| Day 6 | 65 (11.2) | 44 (67.7) | 5 (83.3) | 8 (80) | 7 (58.3) | 24 (64.9) |
| Days 7–9 | 44 (7.6) | 29 (65.9) | 0 (0) | 7 (100) | 8 (88.9) | 14 (51.9) |
| Total | 578 (100) | 499 (86.3) | 45 (90) | 68 (88.3) | 103 (89.6) | 283 (84.2) |