Table 1.
Demographics of the study population
| ACO (n=40) (11.8%) | Asthma (n=298) (88.2%) | p | |
|---|---|---|---|
| Age (years), mean±SD | 63.78±10.23 | 53.86±13.04 | 0.0011 |
| Gender, n (%) | |||
| Female | 27 (67.5%) | 64 (21.5%) | 0.0012 |
| Male | 13 (32.5%) | 234 (78.5%) | |
| Mean age of asthma onset, mean±SD | 48.73±13.01 | 38.81±13.42 | 0.0011 |
| Smoking pack-years, median (min-max) | 22.5 (0–50) | 0 (0–100) | 0.0011 |
| Asthma duration (years), mean±SD | 15±7.88 | 15.07±10.73 | 0.4533 |
| Treatment ICS dose, n (%) | |||
| Low-medium dose | 19 (47.5%) | 208 (69.8%) | 0.0081 |
| High dose | 21 (52.5%) | 90 (30.2%) | |
| Hospitalizations, median (min-max) | 0 (0–5) | 0 (0–5) | 0.7883 |
| Attacks, median (min-max) | 0 (0–3.75) | 0 (0–3.33) | 0.9523 |
1
Independent samples t-test
2
Continuity correction chi-square test
3
Mann-Whitney U
ACO: asthma-COPD overlap; ICS: inhaled corticosteroids; SD: standard deviation