From: Mechanical induction of cough in Idiopathic Pulmonary Fibrosis
 | Control subjects | IPF subjects |  |
---|---|---|---|
 | n = 30 | n = 27 | p Value |
Age, years | 65.6 (5.3) | 71.7 (7) | <0.001 |
Sex, male : female | 21 : 9 | 17 : 10 | 0.589 |
Body Mass Index, kg/m2 | 26.3 ± 3.5 | 29.3 ± 4.6 | 0.007 |
Ever smoking: (% with ≥1 pack-year) | 37 | 59 | 0.114 |
FEV1, % predicted | 108.2 (10.9) | 79.1 (18.5) | <0.001 |
FVC, % predicted | 120.6 (13.7) | 80.4 (20.9) | <0.001 |
DLCO ,% predicted | 86.5 (11.9) | 43.7 (12) | <0.001 |
TLC, % predicted | ND | 61.9 (12) | Â |
LDQ score, median (IQR) | 0 (0-2) | 2 (0-4) | 0.06 |
Corticosteroid use, n (%) | 0 (0) | 9 (30) | <0.001 |