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Table 2 Clinical symptoms observed in patients with positive B. pertussis and RSV by PCR

From: High prevalence of Bordetella pertussis in children under 5 years old hospitalized with acute respiratory infections in Lima, Peru

Clinical symptoms Total of patients Patients positive for Bordetella pertussis Patients positive for RSV
Frequency (n = 596) Frequency (n = 114) Frecuency (n = 103)
N (%) N (%) N (%)
Fever 596 (100) 114 (100) 103 (100)
Cough 448 (75.2) 82 (71.9)a 92 (89.32)*
Rinorrhea 448 (75.2) 90 (78.9) 91(88.35)
Respiratory distress 366 (61.4) 69 (60.5)a 79 (76.70)*
Wheezing respiratory 230 (38.6) 40 (35.1)a 59 (57.28)*
Malaise 150 (25.2) 28 (24.6) 24 (23.30)
Pharyngeal congestion 150 (25.2) 25 (21.9)a 35 (33.98)*
Expectoration 142 (23.8) 28 (24.6) 30 (29.13)
Vomits 79 (13.3) 16 (14) 16(15.53)
Diarrhea 71(11.9) 13 (11.4) 15 (14.56)
Asthenia 52 (8.7) 13 (11.4) 9 (8.74)
Conjunctival congestion 23(3.9) 5 (4.4) 5 (4.85)
Abdominal pain 21(3.5) 2 (1.7) 2 (1.94)
Headache 16 (2.7) 3(2.63) 4 (3.88)
Otalgia 6 (1.0) 2 (1.75) 1 (0.97)
Myalgia 6 (1.0) 1(1.75) 1 (0.97)
  1. * z-Test: Patients positive for Bordetella pertussis vs Patients positive for RSV, p < 0.05
  2. Others (<10 % of cases): Ear pain, photophobia, conjunctival congestion, abdominal pain
  3. lymphadenopathy, fatigue, headache, myalgia, skin rash
  4. a3 children died, one of them in the B.pertussis infection group