Table 3.
WHO 2009 criteria for severe dengue
| Criteria | No.(%) of patients |
|---|---|
| Severe dengue | 28 (100.0) |
| Severe plasma leakage (hematocrit change ≥20%, fluid accumulation, hypoproteinemia) | 28 (100.0) |
| Severe plasma leakage (hematocrit change ≥20%, fluid accumulation) | 26 (92.9) |
| Shock: | |
| Shock (tachycardia or narrow pulse pressure or hypotension) | 28 (100.0) |
| Shock (narrow pulse pressure or hypotension) | 26 (92.9) |
| Tachycardia >100/minute | 26 (92.9) |
| Narrow pulse pressure <20 mmHg | 10 (35.7) |
| Hypotension <90 mmHg | 21 (75.0) |
| Fluid accumulation with respiratory distress | 9 (32.1) |
| Significant bleeding: | 10 (35.7) |
| Gastrointestinal tract | 3 (10.7) |
| Menorrhagia | 0 (0.0) |
| Transfusion of packed red cells or whole blood | 8 (28.6) |
| Impaired consciousness: | 16 (57.1) |
| Coma | 1 (3.6) |
| Drowsiness | 13 (46.4) |
| Confusion | 4 (14.3) |
| Severe gastrointestinal involvement: | 3 (10.7) |
| Persistent vomiting ≥2 days | 2 (7.1) |
| Jaundice | 3 (10.7) |
| Severe organ involvement: | 24 (85.7) |
| ALT or AST ≥1000 units/L | 15 (53.6) |
| Impaired consciousness | 16 (57.1) |
| Serum creatinine >2x upper limit normal | 20 (71.4) |
| Myocarditis | 0 (0.0) |
| Encephalitis | 0 (0.0) |
ALT = alanine transaminase, AST = aspartate transaminase, WHO = World Health Organization