Table 3 Comparison of clinical and laboratory characteristics between dengue positive and negative cases during the 2007 outbreak in southern Taiwan

Symptoms/signs

  Myalgia

46.8%

40.4%

0.274

  Petechiae

36.9%

29.8%

0.201

  Headache

32.4%

14.0%

<0.01

  Itching skin

8.6%

14.9%

0.075

  Nausea/vomiting

33.5%

15.8%

<0.01

Diarrhea

23.9%

12.3%

0.012

WBC (/cmm)

3458 ± 3956

5950 ± 2851

<0.01

PLT (K/cmm)

97 ± 122

147 ± 85

<0.01

AST (U/L)

133 ± 293

111 ± 241

0.466

ALT (U/L)

81 ± 150

134 ± 341

0.019

CRP (mg/L)

18 ± 29

36 ± 60

<0.01

aPTT (sec)

40 ± 45

31 ± 3

0.003