Table 3.
Demographic/clinical characteristics of individuals with dengue virus/chikungunya virus stratified by passive vs. active surveillance
| Variable | Active surveillance dengue cases N = 80 (%) | Active surveillance chikungunya cases N = 96 (%) | Passive surveillance dengue cases N = 152 |
|---|---|---|---|
| Age, median years (IQR) | 18.5 (11.0–36.5) | 26.5 (13.0–40.2) | 19 (12.0–28.5) |
| Female sex | 47 (58.8) | 59 (61.5) | 67 (44.1) |
| Clinical characteristics | |||
| Fever | 77 (96.2) | 82 (85.4) | 141 (92.8) |
| Headache | 70 (87.5) | 66 (68.8) | 99 (65.1) |
| Myalgia | 43 (53.8) | 26 (27.1) | 88 (57.8) |
| Arthralgia | 39 (48.8) | 35 (36.5) | 98 (64.5) |
| Abdominal pain | 21 (26.2) | 13 (13.5) | 24 (15.8) |
| Rash | 10 (12.5) | 23 (24.0) | 5 (3.3) |
| Diarrhea | 1 (1.3) | 1 (1.0) | 6 (3.9) |
IQR = interquartile range.