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Table 2 The Demographic and Clinical Characteristics of 593 Patients with Community-acquired Pneumonia Associated with Single/mix infections

From: Etiologic spectrum and occurrence of coinfections in children hospitalized with community-acquired pneumonia

Characteristics Single virus Single bacteria Mixed viruses Mixed bacteria/viruses Mixed bacteria P value
No. of patients 118 182 28 209 56 _
Age, monthsa 12cd 35cef 12eg 20 f 30dg <0.01
Gender, % male 62.8 54.0 67.9 56.9 66.1 0.10
Duration of symptoms before admission, daysb 7.0 6.5 6 5.8 7.2 0.43
Antibiotic therapy during preceding 2 weeks, % 76.3 70.2 73.2 66.6 70.5 0.21
Fever, % 35.6cdef 67.5cg 51.8dg 53.7e 57.3f <0.01
Wheeze, % 50.8c 32.4cdef 51.9d 47.8e 44.1f <0.01
Dyspnea, % 9.0 7.9 7.7 8.5 8.1 0.41
WBC count, ×109/Lb 11.3 10.2 11.9 11.3 11.8 0.25
Percentage of neutrophilsb 34.9cde 47.9c 40.1 45.2d 49.4e <0.01
CRP, mg/Lb 10.6 13.6 22.5 14.3 15.6 0.07
Pleural effusion, % 1.5 3.2 3.7 2.5 1.5 0.64
Need of oxygen, % 11.4c 2.7cd 11.1 9.5d 8.1 0.02
PICU admission, % 0c 0.6 7.4c 3.5 2.2 0.01
  1. aThe median value was used
  2. bThe mean value was used
  3. cSignificant differences were observed between each pair of values
  4. dSignificant differences were observed between each pair of values
  5. eSignificant differences were observed between each pair of values
  6. fSignificant differences were observed between each pair of values
  7. gSignificant differences were observed between each pair of values