Table 2.
Proportion of cases with dengue fever and with severe dengue among patients diagnosed with different dengue serotypes
| Dengue fever | Severe dengue | Study population | P-value | |
|---|---|---|---|---|
| Sample size (%) | 453 (100) | 32 (100) | 485 (100) | N.A. |
| Proportion (%) | (93.4) | (6.6) | (100) | N.A. |
| DENV-1 (%) | 358 (79.0) | 17 (53.1) | 375 (77.3) | <0.01a |
| Proportion (%) | (95.5) | (4.5) | (100) | N.A. |
| DENV-2 (%) | 21 (4.6) | 10 (31.3) | 31 (6.4) | <0.01a |
| Proportion (%) | (67.7) | (32.3) | (100) | N.A. |
| DENV-3 (%) | 1 (0.2) | 0 | 1 (0.2) | 1.00b |
| DENV-4 (%) | 73 (16.1) | 5 (15.6) | 78 (16.1) | 0.94a |
| Proportion (%) | (93.6) | (6.4) | (100) | N.A. |
aPearson chi-square test; bFisher’s exact chi-square test