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

From: Clinical and laboratory predictive markers for acute dengue infection

  Dengue positive (n = 376) Dengue negative (n = 114) P*
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
  1. *Chi-square test or t-test, Figures were presented as mean ± standard deviation, WBC: white blood cell, PLT: platelet, AST: aspartate aminotransferase, ALT: alanine aminotransferase, CRP: C-reactive protein, APTT: activated partial thrombin time.