Demographics of study cohort

Age years52.5±12.4
FEV1 % predicted68.8±27.7
BMI kg·m−223.4±3.9
MRC dyspnoea score2.1±0.9
Lobes affected3.4±1.5
Exacerbations in previous year4.4±4.4
Hospitalisations in last 2 years0.5±1.3
Microbiological colonisation status
Pseudomonas aeruginosa16 (22)
Haemophilus influenzae9 (12)
Streptococcus pneumoniae3 (4)
Staphylococcus aureus1 (1)
Branhamella catarrhalis1 (1)
Aetiology of bronchiectasis
 Idiopathic41 (55)
 Post-infective19 (26)
 Allergic bronchopulmonary aspergillosis5 (7)
 Young's syndrome4 (5)
 Common variable immunodeficiency3 (4)
 Primary ciliary dyskinesia2 (3)
  • Data are presented as mean±sd or n (%). FEV1: forced expiratory volume in 1 s; BMI: body mass index; MRC: Medical Research Council.