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Table 1 Patient characteristics

From: Impact of traffic related air pollution indicators on non-cystic fibrosis bronchiectasis mortality: a cohort analysis

Number of patients 183
Gender M/F 45%/ 55%
Median age (years) 53 [IQR 37–59]
FEV 1 % 73.2% ± 25.8
FVC% 88.2% ± 25.3
Type of bronchiectasis Cylindrical 61.2% (n = 112)
  Varicous 23.5% (n = 43)
  Cystic 15.3% (n = 28)
n° of lobes affected One 20.8% (n = 38)
  Two 26.2% (n = 48)
  Three 29.5% (n = 54)
  Four 15.8% (n = 29)
  Five 7.7% (n = 14)
Exacerbations in previous year 2 [IQR 1–3]  
Socioeconomic status Low 51% (n = 93)
  Middle 46% (n = 84)
  High 3% (n = 6)
Smoking history Never smokers 64% (n = 118)
  Passive smokers 2% (n = 3)
  Former smokers 19% (n = 35)
  Active smokers 15% (n = 27)
Etiology Idiopathic 30% (n = 56)
  Postinfectious 20% (n = 37)
  PCD 16% (n = 29)
  Miscellaneous 13% (n = 23)
  Immunodeficiency 8% (n = 15)
  ABPA 7% (n = 12)
  Rheumatic 6% (n = 11)
Pseudomonas aeruginosa status Chronic colonization 12.5% (n = 23)
Deaths (events) 15 events
Long-term antibiotic use  
- Azithromycin use 56% (n = 103)