Table 1.
Anthropometric, clinical and functional characteristics of 301 asthmatic patients
| Age, years | 50±16 |
| Sex, F/M | 179/122 |
| BMI, kg/m2 | 26±5 |
| Atopy, yes/no | 223/78 |
| Smoking habit, yes/no | 26/275 |
| ACT (0–25) | 23 (20–25) |
| Duration disease, years | 10±6 |
| Exacerbations, yes/no | 85/216 |
| FVC, % pred | 100±15 |
| FEV1, % pred | 90±17 |
| FEV1/FVC, % | 72±8 |
| FEV3/FEV6, % | 92±3 |
| FEF25-75, % pred | 63±26 |
| FEF50, % pred | 62±26 |
| FEF75, % pred | 46±22 |
| R5-R20, kPa·s·L−1 | 0.077±0.047 |
| X5, kPa·s·L−1 | −0.155±0.099 |
| AX, kPa·L−1 | 0.994±1.39 |
BMI, body mass index; ACT, Asthma Control Test; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 s; FEV3, forced expiratory volume in 3 s; FEV6, forced expiratory volume in 6 s; FEF25-75, forced expiratory flow between 25 and 75%; FEF50, forced expiratory flow at 50%; FEF75, forced expiratory flow at 75%; X5, 5 Hz reactance; AX, reactance area.