TABLE 2.
Results of the diagnostic tests
| Result | No. of samples/no. (%) of patients in:
|
||
|---|---|---|---|
| Retrospective subset A | Prospective subset B | Total | |
| DENV positive | 25/24 (30.6) | 51/45 (30.6) | 76/69 (49.3) |
| PCR positive, IgM positive | 4/4 (16.7) | 22/17 (11.6) | 26/21 (12.3) |
| PCR negative, IgM positive | 21/20 (8.3) | 19/18 (12.2) | 40/38 (22.2) |
| PCR positive, IgM negative | 10/10 (6.8)a | 10/10 (5.8) | |
| DENV negative | 110/102 (69.4) | 110/102 (59.6) | |
| Total | 25/24 | 161 (147) | 186 (171) |
a
Four patients (eight samples, all IgG negative and PCR positive) showed IgM seroconversion. They were accounted for as IgM negative and PCR positive.