Table 2.
Distribution of dengue virus infection by clinical characteristics and laboratory findings of children attending HUCSH, 2018–19.
| Characteristics | Dengue virus infection | |||
|---|---|---|---|---|
| n (%) blood tested (N = 407) |
n (%)† positive | n (%)† negative | cOR (95% CI) | |
| Clinical history | ||||
| Duration of fever | ||||
| 1–4 days | 331 (81.3) | 6 (1.8) | 325 (98.2) | 1 |
| 5–7 days | 76 (18.7) | 3 (3.9) | 73 (96.1) | 2.23 (0.54–9.12) |
| Symptoms | ||||
| Cough | ||||
| Yes | 218 (53.6) | 5 (2.3) | 213 (97.7) | 1.09 (0.29–4.10) |
| No | 189 (46.4) | 4 (2.1) | 185 (97.9) | 1 |
| Diarrhoea | ||||
| Yes | 76 (18.7) | 2 (2.6) | 74 (97.4) | 1.25 (0.26–6.14) |
| No | 331 (81.3) | 7 (2.1) | 324 (97.9) | 1 |
| Vomiting | ||||
| Yes | 148 (36.4) | 3 (2.0) | 145 (98.0) | 0.85 (0.22–3.54) |
| No | 259 (63.6) | 6 (2.3) | 253 (97.7) | 1 |
| Vital signs | ||||
| Axillary temperature | ||||
| < 37.5 °C | 44 (10.8) | 1 (2.3) | 43 (97.7) | 1 |
| 37.5–38.9 °C | 305 (75.2) | 6 (2.0) | 229 (98.0) | 0.86 (0.10–7.34) |
| ≥ 39 °C | 58 (10.8) | 2 (3.4) | 56 (96.6) | 1.54 (0.14–17.5) |
| Tachypnea | ||||
| Yes | 233 (57.2) | 5 (2.1) | 228 (97.9) | 0.93 (0.25–3.52) |
| No | 174 (42.8) | 4 (2.3) | 170 (97.7) | 1 |
| Tachycardia | ||||
| Yes | 163 (40.0) | 4 (2.5) | 159 (97.5) | 1.20 (0.32–4.55) |
| No | 244 (60.0) | 5 (2.0) | 239 (98.0) | 1 |
| Lab analysis | ||||
| WBC count | ||||
| Leukopenia | 38 (9.4)c | 0 | 38 (100.0) | – |
| Leucocytosis | 66 (16.3)c | 1 (1.5) | 65 (98.5) | 0.56 (0.07–4.57) |
| Normal count | 300 (74.3)c | 8 (2.7) | 292 (97.3) | 1 |
| Anaemia | ||||
| Yes | 48 (11.8)c | 2 (4.2) | 46 (95.8) | 2.17 (0.44–10.8) |
| No | 356 (88.1)c | 7 (2.0) | 349 (98.0) | 1 |
cOR crude odds ratio, CI confidence interval, WBC white blood cell.
†Percentages within categories of the characteristics (raw total), c(N = 404).