Table 5.
Agreement between the various classification systems and classification by the treating physician.*
| Classification by treating physician | ||||
| DSS | DHF | DF | ||
| WHO classification system | DSS | 57 | 0 | 0 |
| DHF | 23 | 52 | 0 | |
| DF | 11 | 1 | 8 | |
| Bleeding and thrombocytopenia | DSS | 59 | 0 | 0 |
| DHF | 23 | 52 | 5 | |
| DF | 9 | 1 | 3 | |
| Bleeding and haemoconcentration | DSS | 58 | 0 | 0 |
| DHF | 23 | 53 | 0 | |
| DF | 10 | 0 | 8 | |
| Haemoconcentration and thrombocytopenia | DSS | 63 | 0 | 0 |
| DHF | 25 | 52 | 0 | |
| DF | 3 | 1 | 8 | |
| Bleeding and thrombocytopenia or haemoconcentration | DSS | 60 | 0 | 0 |
| DHF | 23 | 53 | 5 | |
| DF | 8 | 0 | 3 | |
| Thrombocytopenia and haemoconcentration or bleeding | DSS | 65 | 0 | 0 |
| DHF | 25 | 52 | 5 | |
| DF | 1 | 1 | 3 | |
| Haemoconcentration and bleeding or thrombocytopenia | DSS | 64 | 0 | 0 |
| DHF | 25 | 53 | 0 | |
| DF | 2 | 0 | 8 | |
* DF, denotes dengue fever; DHF, denotes dengue haemorrhagic fever; DSS, denotes dengue shock syndrome; WHO, denotes World Health Organization.