Table 2 Clinical presentations and laboratory features of 376 dengue patients in first visit to clinic during the 2007 outbreak in southern Taiwan

Febrile days

5.1 ± 1.5

6 ± 1.7

0.459

Fever to clinic (days)

4.1 ± 2.1

4 ± 1.7

0.522

Symptoms/signs

  Myalgia

46.9%

46.2%

0.827

  Petechiae

34.3%

49.2%

0.275

  Headache

31.1%

38.8%

0.116

  Itching skin

12.5%

49.2%

<0.05

  Nausea/vomiting

31.1%

44.7%

0.144

Diarrhea

23.4%

26.5%

0.707

WBC (/cmm)

3564 ± 1719

2971 ± 1761

0.006

PLT (×10 ³ /cmm)

96 ± 51

102 ± 46

0.459

AST (U/L)

126 ± 132

166 ± 206

0.272

ALT (U/L)

81 ± 77

80 ± 101

0.492

CRP (mg/L)

20 ± 24

6 ± 11

0.011

aPTT (sec)

39 ± 6

44 ± 10

0.021