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Table 1 Patient characteristics

From: Heparin-binding protein in sputum as a marker of pulmonary inflammation, lung function, and bacterial load in children with cystic fibrosis

Median age (IQR)a 9 (8–11)
Male gender; % (n) 71 (12)
CFTR mutation; % (n)
 - ΔF508/ΔF508 59 (10)
 - Others 41 (7)
Pancreas insufficiency; % (n) 100 (17)
No of samples/patient; median (IQR) 2 (2–3)
Induced sputum; % (n) 83 (34)
Pseudomonas colonizationb; % (n)
 - Never infected 24 (4)
 - Free of infection 6 (1)
 - Intermittent infection 53 (9)
 - Chronic infection 18 (3)
Sputum culture growth; % (n)
 - Staphylococcus aureus 34 (12)
 - Pseudomonas aeruginosa 26 (10)
  - Haemophilus influenzae 14 (5)
 - Burkholderia cepacia 6 (2)
 - Negative culture 6 (2)
  1. aIQR = Interquartile range
  2. bPseudomonas aeruginosa (PA) colonization according to Leeds criteria: Never infected, Free of infection (no PA growth during the previous 12 months), Intermittent infection (PA growth in 50% or less of cultures), or Chronic infection (PA growth in > 50% of cultures)