Table 6.
Comparison with Similar Studies in Southeast Asia.
| Author (Year) | Present study (2017) | Hanafusa (2008) | Wichmann (2004) | Sawasdivorn (2001) | Kalayanarooj (1997) | Lam (2017) | Thu (2012) | Phuong (2004) | Chairulfatah (1995) |
|---|---|---|---|---|---|---|---|---|---|
| Country | Sri Lanka | Thailand | Thailand | Thailand | Thailand | Vietnam | Vietnam | Vietnam | Indonesia |
| Study design | Retrospective | Retrospective | Retrospective | Retrospective | Prospective | Prospective, observational study | Prospective | Prospective | Prospective |
| Sample size | 305 | 147 | 60 adults and 287 pediatric cases | 45 | 60 | 2301 pediatric cases (5 - 15 years) | 647 adults and 881 pediatric cases | 712 | 128 DHF cases |
| Male% | 60.30% | 51.70% | 50.7% | 58.33% | 53.33% | 59.0% | 55.4% | 52.53% | N/A |
| Female% | 39.70% | 48.30% | 49.3% | 41.67% | 46.67% | 41.0% | 44.6% | 47.47% | N/A |
| Mean duration of fever (days) | 3.9 | N/A | 5.4 | N/A | N/A | N/A | N/A | N/A | N/A |
| DF | 80.70% | 53.74% | 36.9% | 100.00% | 53.33% | N/A | 61.1% | 43.82% | 0% |
| DHF | 19.30% | 46.26% | 63.1% | 0.00% | 46.67% | N/A | 38.9% | 44.80% | 100% |
| Cardiac | None | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Neurological | None | 10.88% | 0.9% | N/A | N/A | N/A | 0.7% | N/A | 3% |
| Renal | None | N/A | N/A | N/A | N/A | N/A | 0.2% | N/A | N/A |
| Hepatic | Mild = 62.6%, moderate = 3% | 82.05% | 40.3% | N/A | N/A | 10.0% | 38.2% | 36.52% | 47% |
| Headache | 55.10% | 51.02% | 15.0% | 80.48% | 77.19% | N/A | 63.2% | 37.68% | N/A |
| Bodyache | 52.50% | 12.24% | 8.4% | 41.46% | N/A | N/A | N/A | 9.90% | N/A |
| Nausea | 21.30% | N/A | 57.0% | N/A | 67.80% | N/A | N/A | N/A | N/A |
| Vomiting | 43.10% | 72.79% | 59.0% | N/A | 70.00% | 36.0% | 52.1% | 64.33% | 56% |
| Diarrhea | 15.40% | N/A | N/A | N/A | N/A | N/A | N/A | 9.70% | 4% |
| Abdominal pain | 21.60% | 68.03% | N/A | N/A | 33.90% | 20.0% | 36.9% | 62.31% | N/A |
| Bleeding manifestations | 2.60% | N/A | 35.7% | 100.00% | 13.33% | 42.0% | 69.7% | 15.31% | N/A |
| right hypochondrial tenderness | 38.00% | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Epigastric tenderness | 6.90% | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 62% |
| Platelet count | Count < 25 × 109/L = 10.5%; Count < 100 × 109/L = 58.4%; | N/A | N/A | N/A | N/A | N/A | N/A | Count < 100 × 109/L = 80.59% | Count < 100 × 109/L = 15.3% |
| WBC count | Count < 4 × 106/L = 71.5% | N/A | N/A | Count < 5 × 106/L = 62.22% | N/A | N/A | N/A | N/A | N/A |
| Mortality | None | N = 0 | N = 1 | N/A | N/A | N/A | N = 8 | N = 0 | 3% |
Note. N/A: not available.