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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