Table 1.
| Parameter | Data |
|---|---|
| Demographic data | |
| Sex M:F | 77:66 |
| Age | 23.5 (17–58, 16–72) |
| Hanoi resident | 127/137 (92.7%) |
| Past medical history | |
| Previous dengue | 6/141 (4.3%) |
| JE vaccine | 30/135 (22.2%) |
| Previous JE illness | 0/141 |
| Symptoms | |
| Fever | 142/142 (100%) |
| Headache | 131/141 (92.9%) |
| Myalgia | 106/138 (76.8%) |
| Rash | 71/137 (51.8%) |
| Vomiting | 64/139 (46.1%) |
| Cough | 62/138 (44.9%) |
| Eye pain | 54/135 (40.0%) |
| Bleeding | 50/138 (36.2%) |
| Diarrhea | 48/139 (34.5%) |
| Itch/prickly skin | 38/134 (28.4%) |
| Abdominal pain | 39/139 (28.1%) |
| Shortness of breath | 9/135 (6.7%) |
| Physical signs | |
| Axillary temperature (°C) | 37.8 (36–40, 36–40.2) |
| Pulse (b/min) | 86 (64–125, 60–144) |
| Systolic BP mmHg | 102.5 (90–130, 85–130) |
| Diastolic BP mmHg | 70 (50–80, 50–80) |
| Abdominal tenderness | 10/90 (10.9%) |
| Lethargy | 3/143 (2.1%) |
| Facial/hand/ankle swelling | 31/143 (21.7%) |
| Mucosal bleeding | 28/143 (19.6%) |
| Palpable liver | 5/143 (3.5%) |
| Laboratory results | |
| Hct (%) | 42.5 (33.1–50.9, 30.3–52.8) |
| Platelet count | 60 (12–126, 6–220) |
Hct = hematocrit; JE = Japanese encephalitis.
*
Proportional data are shown as numerators/denominators.
†
Continuous data are shown as median, interquartile range, and full range.