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Table 1 Demographic information about the study population with dengue fever.

From: Multiplex cytokine profile from dengue patients: MIP-1beta and IFN-gamma as predictive factors for severity

Characteristics Mild1 Severe Fisher's exact test
Age (median years, 25–75%) 2 39, 28–48 37, 23–53  
Sex (M:F) (Patient Number) 7:13 26:13  
DENV-1: DENV-3 (Patient Number) 20:0 8:31 p < 0.0001
  % 3 N 4 % N  
Fever 30 20 8 37  
Haemorrhagic manifestations5 35 20 41 37  
Petechia 21 19 49 37  
Abdominal Pain 19 16 33 36  
Thrombocytopenia (<100.000 counts/mm3) 63 19 72 39  
Thrombocytopenia (<50.000 counts/mm3) 0 19 46 39  
Hipotension6 0 20 67 39  
Hemoconcentration7 33 15 10 39  
Secondary Infection 26 19 42 33 P = 0.37
  1. 1See Methods for mild and severe dengue definition.
  2. 2Study population with 59 patients with 3–10 days of disease onset.
  3. 3Percentage of positive patients for the measured parameter within the group.
  4. 4Number of patients used for the measured parameter within the group.
  5. 5Epistaxis, gengivorrhagia, positive tourniquet test, metrorrhagia, bleeding after coughing.
  6. 6Postural hypotension with decrease in systolic arterial pressure in 20 mmHg in supine position or systolic arterial pressure < 90 mmHg.
  7. 7Elevated hematocrit for matched age and sex (women>41%; men >45%) or fluctuation of packed cell volume ≥ 20% during course of illness and recovery.