Demographic and clinical characteristics of 30 individuals with diagnosis of dengue and 20 healthy controls.

Units specified in parenthesis are percentages; otherwise data are numbers. (DF)* = Dengue fever; (DHF)* = Dengue Hemorrhagic fever; Thrombocytopenia* = Platelet counts <100000/mm3; Hemoconcentration* = Hematocrit level rising ≥20%; Ascites* = accumulation of fluid in the peritoneal cavity confirmed by abdominal ultrasound; Spontaneous hemorrhage = nose bleeding, gastrointestinal bleeding, ocular bleeding, and/or bleeding gums; Positive tourniquet = petechiae of ≥20 spots in a 2.5-cm2 area on the forearm after application of pressure at the midpoint between systolic and diastolic pressure for 5 min using a sphygmomanometer.