Variable | Alive | Died of respiratory illness | p-value |
Subjects | 167 | 167 | |
Age years | 64.9±5.7 | 65.0±5.8 | 0.93 |
Male sex | 111 (66.5) | 111 (66.5) | 0.52 |
Current smoker | 93 (55.7) | 92 (55.0) | 0.50 |
Pack-years | 60.0 (47.3–84.0) | 61.0 (47.0–86.0) | 0.69 |
Emphysema | |||
Mild | 48 (28.7) | 35 (21.0) | 0.06 |
Moderate | 24 (14.3) | 35 (21.0) | 0.08 |
Severe | 8 (4.8) | 48 (28.7) | <0.001 |
Fibrotic lung disease | 1 (0.5) | 31 (18.6) | <0.001 |
Airway remodelling | 22 (13.2) | 45 (26.9) | 0.001 |
Normal lungs | 58 (34.7) | 15 (9.0) | <0.001 |
Data are presented as n, n (%), mean±sd or median (interquartile range).