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Table 1 Demographic characteristics of the 19 infants with pertussis and the 19 infants with RSV bronchiolitis

From: Bordetella pertussis in infants hospitalized for acute respiratory symptoms remains a concern

Demographic characteristics Infants with pertussis Infants with RSV bronchiolitis p
Age at admission (days) 71.5 ± 48.0 71.4 ± 48.0 n.s.
Male:Female 6:13 6:13 n.s.
Siblings n° (%) 14 (73.7%) 12 (63.2%) n.s.
Schooling n° (%) 11 (57.9%) 12 (63.2%) n.s.
Gestational age median in weeks (range) 40 (36-42) 39 (37-42) n.s.
Spontaneous delivery 12 (63.2%) 9 (57.9%) n.s.
Weight at birth median in kg (range) 3.220 (2.100-4.000) 3.300 (2.130- 3.850) n.s.
Weight at admission median in kg (range) 4.290 (2.820-7.850) 4.900 (3.230-7.730) n.s.
Breast feeding at admission n° (%) 12 (63.2%) 17 (89.5%) 0.06
Breast feeding median in days (range) 20 (0-150) 30 (0-94) n.s.
Vaccination (DTaP)    n.s.
  1st dose 4 (21.0%) 4 (21.1%)  
  2nd dose 1 (5.3%) 0  
  1. p values by Mann-Whitney U test.
  2. RSV: respiratory syncytial virus.