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Table 1 Demographics and baseline characteristics of 144 hospitalized children with pertussis

From: Mortality risk factors among hospitalized children with severe pertussis

Characteristics Total Survivors Deaths P-value
N = 144 N = 131 N = 13
Number Number Number
Demographics     
 Male gender 69 63 6 1.000
 Age distribution      < 0.001
 < 6 weeks 28 18 10  
  6 weeks to 2.9 months 54 52 2
  3 months to 5.9 months 48 47 1
  6 months to 11.9 months 10 10 0
  12 months to 3 years 2 2 0
 ≥ 3 years 2 2 0
 Prematurity conditions 6 4 2 0.091
  Gestational age     0.594
   ≥ 37 weeks 127 116 11  
   32 weeks to 36.9 weeks 11 10 1
   28 weeks to 31.9 weeks 6 5 1
   < 28 weeks 0 0 0
  Birth weight     0.004
   ≥ 2500 g 131 122 9  
   1500 g to 2499 g 10 8 2
   1000 g to 1499 g 2 0 2
   < 1000 g 1 1 0
 Positive contact history 104 92 12 0.112
 Vaccination history     0.186
  Any dose 102 89 13  
  1 dose 27 27 0
  2 doses 10 10 0
  3 doses 5 5 0
 Underlying co-morbid conditions 8 7 1 0.540