Skip to main content

Table 3 Clinical differences in the Two Study Groups

From: Infants hospitalized for Bordetella pertussis infection commonly have respiratory viral coinfections

Clinical variables Pertussis
(N = 28)
Pertussis + Virus
(N = 25)
P Values*
Duration of symptoms before hospitalization (mean ± SD) 11.4 ± 7.8 13.1 ± 9.9 0.515
Paroxysmal cough 24 (85.7%) 19 (76%) 0.291
Cyanosis 16 (57.1%) 14 (56%) 0.576
Apnea 24 (85.9%) 20 (80%) 0.425
Post-cough vomit 15 (57.6%) 14 (56%) 0.540
Fever: T > 37.5 °C 3 (10.7%) 5 (20%) 0.288
Skin petechiae 1 (3.6%) 4 (16%) 0.142
Conjunctival hemorrhage 0 3 (12%) 0.098
Complicationsa 10 (35.7%) 6 (24%) 0.662
  1. *by χ-square test
  2. ahypoxia, bradycardia, pneumonia, gastroenteritis, thrombocytopenia, urinary tract infection, anemia, dehydration, feeding difficulties, transient hypertension
\