Table 1. Baseline characteristics of participants tested for heterogeneity of dengue illness in community-based prospective study, Iquitos, Peru*.
| Characteristic | Total | Index | Contact |
|---|---|---|---|
| No. participants | 79 | 55 | 24 |
| No. surveys |
429 |
309 |
120 |
| Sex, no. (%) | |||
| M | 38 (48) | 27 (49) | 11 (46) |
| F |
41 (52) |
28 (51) |
13 (54) |
| Median age, y (IQR) | 17 (12–27.5) | 17 (14–26) | 14.5 (9.5–31) |
| Day at diagnosis (IQR) |
3 (2–4) |
4 (3–5) |
2 (1–3) |
| Serotype, % | |||
| DENV-2 | 76 (96) | 53 (96) | 23 (96) |
| DENV-3 |
3 (4) |
2 (4) |
1 (4) |
| WHO suspected dengue† (%) | 67 (85) | 51 (93) | 16 (67) |
| Warning signs, no. (%) | 20 (25) | 18 (33) | 2 (8) |
| Hospitalized, no. (%) | 7 (9) | 6 (11) | 1 (4) |
*DENV, dengue virus; IQR, interquartile range; WHO, World Health Organization. †Persons who met the 2009 WHO criteria for suspected dengue (see Methods).