From: Risk factors associated with death in infants <120 days old with severe pertussis: a case-control study
adjusted OR
95%CI
P Value
apnea
23.722
2.796–201.260
0.004
Leukocytosis
63.708
3.574–1135.674
0.005
Pulmonary hypertension
26.109
1.800–378.809
0.017