Table 1.
Demographic data of the patients
| Children | Adolescents | Adults | Elderly | Total | |
|---|---|---|---|---|---|
| No. of pts | 139 | 80 | 582 | 215 | 1016 |
| Gender | |||||
| Male, n (%) | 80 (58) | 55 (69) | 240 (42) | 102 (47) | 478 (47) |
| Female, n (%) | 59 (42) | 25 (31) | 338 (58) | 111 (53) | 532 (53) |
| Not reported | 0 | 0 | 4 (0) | 2 (0) | 6 (0) |
| Mean age, years (SD) | 7.6 (2.2) | 14.5 (1.6) | 51.2 (11.1) | 72.9 (5.4) | NC |
| Age range, years | 3–11 | 12–17 | 18–65 | 66–88 | 3–88 |
| Diagnosis | |||||
| Asthma | 139 | 80 | 200 | 51 | 470 |
| COPD | 0 | 0 | 344 | 153 | 497 |
| Not recorded | 0 | 0 | 38 | 11 | 49 |
| Lung function (mean, SD) | |||||
| FEV1, % pred | 100.1 (18.9) | 95.8 (14.2) | 65.3 (12.3) | 61.9 (12.9) | NC |
| FVC, % pred | 97.3 (19.1) | 96.9 (16.0) | 80.0 (15.2) | 76.9 (17.5) | NC |
| PEF, % pred | 91.9 (19.7) | 98.7 (20.0) | 59.6 (17.7) | 55.0 (16.3) | NC |
| Smokers (%) | NR | NR | NC | ||
| Never smoker | 30.7 | 32.2 | |||
| Ex-smoker | 22.3 | 42.4 | |||
| Smoker | 47.0 | 25.4 | |||
COPD chronic obstructive pulmonary disease, FEV 1 forced expiratory volume in 1 s, FVC forced vital capacity, NC not calculated, NR not registered, PEF peak expiratory flow, pred predicted