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Table 1 Clinical characteristics of PBB in the 52 Chinese patients

From: Update on protracted bacterial bronchitis in children

CharacteristicsPBB
Gender, M(F)33 (19)
Age
 <1y15 (28.8%)
 1-3y16 (30.8%)
 3-6y15 (28.8%)
 6-14y6 (11.5%)
Course
 >4 week19 (36.5%)
 4-12 week14 (26.9%)
 >12 week19 (36.5%)
Symptoms
 Wet cough52 (100%)
 Purulent sputum13 (25%)
 Cough both day and night22 (42.3%)
 Wheezing15 (28.8%)
 Fever11 (21.2%)
 Nasal symptoms19 (36.5%)
Physical examination
 Lung moist rales30 (57.7%)
 Lung wheezing rales3 (5.8%)
Microbiological findings13 (25%)
Positive bacterial cultures of Sputum11 (21.2%)
 Spn8 (15.4%)
 Sa2 (3.8%)
 Pae1 (1.9%)
Positive bacterial cultures of BALF2 (3.8%)
 Spn1 (1.9%)
 Sa1 (1.9%)
Comorbidities
 Rhinitis7 (13.5%)
 Sinusitis5 (9.6%)
 Laryngomalacia3 (5.8%)
 Airway stenosis1 (1.9%)
Treatment
 Antibiotic
  Amo6 (11.5%)
  Cep (oral)15 (28.8%)
  Cep (intravenous)26 (50%)
  Azi5 (9.6%)
  Duration3d-2w
Effects
 Remission20 (38.5%)
 Improve24 (46.2%)
 No improvement8 (15.3%)
Complication0
  1. Values are expressed as n (%). M: male; F: female. Spn: Streptococcus pneumonia; Sa: Staphylococcus aureus; Pae: Pseudomonas aeruginosa. Amo:Amoxicillin-clavulanate; Cep: cephalosporin antibiotics; Azi: Azithromycin.