Table 1 Main characteristics of participating patients. Values represent % (n/total) or median (interquartile range [IQR])

Age, years

32 (21–43)

Gender, male

60.4 (32/53)

 None

73.8 (31/42)

 Hypertension

16.7 (7/42)

 HIV infection

2.4 (1/42)

 Prostatic hyperplasia

4.8 (2/42)

 Dyspepsia

2.4 (1/42)

 Fever

100.0 (53/53)

 Headache

83.0 (44/53)

 Rash

36.8 (14/38)

 Vomiting

25.5 (13/51)

 Bleeding manifestations^b

14.3 (7/49)

 Dehydration^c

11.3 (6/53)

Axillary temperature

37.0 (36.1-37.7)

Systolic blood pressure

127 (115–133)

Diastolic blood pressure

80 (73–86)

Heart rate

93 (82–102)

 NS1

96.2 (51/53)

 IgM

20.8 (11/53)

 IgG

3.8 (2/53)

Prior DV infection^d

9.8 (5/51)

Yellow Fever vaccination^e

18.9 (7/37)

Days after onset of symptoms

4 (2–5)

Need of hospitalization^f

5.8 (3/52)