Characteristics | Smoking control | Mild COPD | Moderate COPD | Severe COPD |
---|---|---|---|---|
GOLD | - | Stage I | Stage II | Stage III, IV |
Number of patients | 12 | 5 | 20 | 11 |
Age (years) | 69.6 ± 6.4 | 74.2 ± 5.5 | 75.9 ± 7.7 | 74.2 ± 7.6 |
Gender (Male/Female) | (12/0) | (4/1) | (19/1) | (10/1) |
FVC predict (%) | 99.2 ± 15.6 | 114.1 ± 5.4 | 97.2 ± 11.6 | 81.9 ± 17.5* |
FEV1/FVC (%) | 77.1 ± 7.6 | 59.4 ± 7.6* | 51.0 ± 9.4* | 32.7 ± 6.7* |
FEV1% predict | 96.6 ± 14.3 | 88.2 ± 8.0 | 63.5 ± 7.3* | 34.2 ± 9.2* |
Smoking (Pack years) | 48.1 ± 31.7 | 43.0 ± 11.8 | 56.3 ± 31.7 | 68.3 ± 32.9 |
Current smoker (no.) | 3 | 0 | 6 | 0 |
Medication (no.) | ||||
 LABA | - | 4 | 17 | 10 |
 LAMA | - | 3 | 16 | 8 |
 ICS | - | 2 | 6 | 7 |