Table 1.

Modified systems for the classification of dengue haemorrhagic fever.

Bleeding and thrombocytopenia

Bleeding and haemoconcentration

Haemoconcentration and thrombocytopenia

Bleeding and thrombocytopenia or haemoconcentration

Thrombocytopenia and haemoconcentration or bleeding

Haemoconcentration and bleeding or thrombocytopenia