| | COPD studies | | Asthma studies | |
| Non-smokers (N=19) | Smokers (N=29) | COPD N=35 | Controls (N=40) | Asthma (N=50) |
Total bronchoscopies | 38 | 68 | 62 | 109 | 110 |
Stable | 19 | 40 | 43 | 59 | 50 |
Infection | 19 | 28 | 19 | 50 | 60 |
Age | 58.95 (±1.59) | 52.10 (±1.41) | 59.51 (±1.11) | 28.30 (±1.65) | 31.60 (±1.54) |
Sex M:F | 9:10 | 17:12 | 22:13 | 23:17 | 16:21 |
Smoking history | / | 33.41 (±1.77) | 43.74 (±3.33) | / | / |
FEV1 (litres) | 3.06 (±0.22) | 3.27 (±0.124) | 2.05 (±0.085) | | |
FEV1 % | 106 (±3.79) | 102 (±2.48) | 67.46 (±1.82) | 102.9 (±1.8) | 91.30 (±2.23) |
SABA only (%) | / | / | 35 | / | 24 (48) |
ICS | / | / | / | / | 26 (52) |
Mean ICS (BDP equivalent) | / | / | / | / | 519 (±107.5) |