Skip to main content

Table 1 Characteristics of Study Subjects

From: Non-typeable Haemophilus Influenzae detection in the lower airways of patients with lung cancer and chronic obstructive pulmonary disease

Characteristics Lung Cancer COPD Control
Number of subjects 20 27 13
Age (mean ± SD) 67 ± 10 68 ± 9 58 ± 15
Males, n (%) 10 (50) 17 (63) 6 (46)
Asthma diagnosis, n (%) 3 (15) 5 (19) 3 (23)
Spirometry (mean ± SD)
 FEV1 (% of predicted) 67 ± 17 68 ± 25 91 ± 20
 FVC (% of predicted) 86 ± 12 88 ± 24 91 ± 20
 FEV1/FVC 59 ± 12 56 ± 12 78 ± 6
Smoking status, n(%)
 Current smoker 13 (65) 7 (26) 0
 Former smoker 6 (30) 18 (67) 4 (31)
 Never smoker 1 (5) 2 (7) 9 (69)
Pack/years in smokers (mean ± SD) 44 ± 18 43 ± 28 8 ± 15
Treatment at time of review, n (%)
 Antimicrobial therapy 0 0 0
 Inhaled corticosteroid therapy 5 (25) 11 (41) 4 (31)
 Inhaled bronchodilator therapy 6 (30) 13 (48) 4 (31)
 Systemic corticosteroid therapy 1 (5) 0 1 (7)
  1. Abbreviations: FEV 1 Forced Expiratory Volume in one second, FVC Forced Vital Capacity, NTHi Non-Typeable Haemophilus