Skip to main content

Table 3 Univariate logistic regression analysis of severe pertussis associated with death

From: Risk factors associated with death in infants <120 days old with severe pertussis: a case-control study

characteristic P Value unadjusted OR(95%CI)
apnoea 0.001 8.571 (2.082–35.294)
length of PICU stay (IQR) 0.003  
Leukocytosis (WBC ≥ 30 × 109 /L.) 0.001 18.421 (2.223–152.647)
Leukocytosis (WBC ≥ 50 × 109 /L.) 0 34.357 (6.316–186.900)
Highest WBC count 0  
Highest lymphocyte count 0  
Pulmonary hypertension 0.001 14.667 (3.001–71.678)
  1. Abbreviations: IQR interquartile range, OR odds ratio;CI, confidence interval
  2. Leukocytosis was defined as WBC count ≥30 × 109 /L