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Table 3 Clinical diagnosis 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 diagnosis

Total of patients

Patients positive for Bordetella pertussis

Patients positive for RSV

Frequency

Prevalence

Frequency

Prevalence

p-value**

Frequency

Prevalence

p-value**

(n = 596)

(%)

(n = 114)

(%)

 

(n = 103)

(%)

Pneumonia

193

32.38

30

26.32*

0.124

44

42.72*

0.014

Pharyngitis

6

1.01

0

0

0.231

1

0.97

0.968

Rhinopharyngitis

33

5.54

7

6.14

0.754

3

2.91

0.200

Bronchiolitis

57

9.56

9

7.9*

0.327

21

20.39*

<0.05

Influenza A Infection

51

8.56

10

8.77

0.927

6

5.83

0.276

Whooping cough-like syndrome

10

1.68

3

2.63

0.378

2

1.94

0.819

Obstruction syndrome to bronchiolar

41

6.88

9

7.89

0.634

11

10.68

0.094

  1. * z-Test: Patients positive for Bordetella pertussis vs Patients positive for RSV, p < 0.05
  2. ** χ2-Test
  3. Others (1 % of cases): Sinusitis, respiratory distress syndrome, sepsis late atypical febrile seizure status epilepticus, atypical febrile seizure, gastroenteritis