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Table 3 Multivariate analysis for risk factors of EV71 viremia

From: The correlation between the presence of viremia and clinical severity in patients with enterovirus 71 infection: a multi-center cohort study

  Odds ratio 95% CI pvalue
Age <1 year 4.27 1.45 - 12.59 0.008
Sex (Male) 0.98 0.82 - 1.18 0.84
Skin rash 0.70 0.21 - 2.40 0.57
Fever a 7.81 0.40 - 152.76 0.18
Oral ulcer 0.34 0.02- 5.48 0.45
Grade 2 to 4 EV71 disease 1.16 0.54 - 2.47 0.70
Day of illness on sampling (day) 0.39b 0.28 - 0.54 <0.001
  1. aFever was defined as any body temperature over 38 degrees Celsius.
  2. bThe value represents the change in odds ratio per day after disease onset.