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Description of patient cohorts
| Parameter | Asthma | COPD |
|---|---|---|
| Admissions, n | 876 | 8645 |
| Male, n (%) | 341 (38.9%) | 5038 (58.3%) |
| Female, n (%) | 535 (61.1%) | 3607 (41.7%) |
| Age, years, mean ± SD | 52.2 ± 19.5 | 68.1 ± 10.2 |
| Current smoker, n (%) | 43 (4.9%) | 721 (8.3%) |
| Influenza, n (%) | 8 (0.9%) | 20 (0.2%) |
| Length of stay, days, mean ± SD | 7.5 ± 8.8 | 10.9 ± 14.2 |
| Died in hospital, n (%) | 15 (1.7%) | 392 (4.5%) |
