Table 2.
Knowledge of dengue disease in Can Tho Province residents with and without dengue in the household, Vietnam, 2006–2007
| Dengue symptom | Persons with cases, n = 144, no. (%) | Controls, n = 44, no. (%) | Total, n = 288, no. (%) | P |
|---|---|---|---|---|
| Mentioned ≥ 1 symptom | 141 (97.9) | 113 (78.5) | 254 (88.2) | 0.001 |
| Muscular pain | 7 (4.9) | 4 (2.9) | 11 (3.8) | 0.5 |
| High uninterrupted fever | 134 (93.1) | 102 (70.8) | 236 (81.9) | 0.000 |
| Nose bleeding | 9 (6.3) | 5 (3.5) | 14 (4.9) | 0.3 |
| Skin hemorrhage | 38 (26.4) | 52 (36.1) | 90 (31.3) | 0.07 |
| Abdominal pain | 18 (12.5) | 13 (9.0) | 31 (10.8) | 0.3 |
| Nausea, vomiting | 45 (31.3) | 15 (10.4) | 60 (20.8) | 0.000 |
| Black stools | 4 (2.8) | 1 (0.7) | 5 (1.7) | 0.2 |
| Lethargy or irritability | 13 (9.0) | 4 (2.8) | 17 (5.9) | 0.02 |
| Cold extremities | 23 (16.0) | 7 (4.9) | 30 (10.5) | 0.002 |
| Weak pulse | 1 (0.7) | 0 | 1 (0.4) | 0.3 |