Table 1. Demographic and clinical characteristics per patient.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
|---|---|---|---|---|---|---|---|---|---|
| Age (years) | 71 | 60 | 74 | 70 | 63 | 70 | 64 | 64 | 64 |
| Sex | M | F | F | F | F | F | F | M | M |
| GOLD stage (1, 2, 3) |
2 | 3 | 3 | 3 | 2 | 1 | 3 | 2 | 3 |
| FEV1 (pp) | 64.2 | 42.8 | 59.2 | 38.5 | 77.9 | 88.9 | 31.9 | 38.8 | |
| FVC (pp) | 86.7 | 79.6 | 106.9 | 62.6 | 98.1 | 155.4 | 90.3 | 101.2 | |
| FEV1/FVC | 56.88 | 45.22 | 45.86 | 50.85 | 65.57 | 47.24 | 29.68 | 38.3 | |
| Packs per year | 52 | 44 | 40 | 86.75 | 47.75 | 27 | 92 | 50 | |
| Sustained smokers | No | No | No | Yes | No | No | No | No | Yes |
| Delay between symptoms and visit to the clinic | 7 | 3 | 5 | 7 | 6 | 4 | 9 | 11 | 5 |
Individual data are presented for age, sex, FEV1, FVC, FEV1/FVC and packs per year for our COPD patients. F = female, M = male, COPD = chronic obstructive pulmonary disease, GOLD = Global Initiative for COPD; FEV1 = forced expiratory volume in 1 second; FVC = forced vital capacity; pp = percent predicted.