Group | Title | Characteristics |
1 | Acute bronchitis | Healthy people |
No previous respiratory problems | ||
2 | Simple chronic bronchitis | Cough plus sputum for 3 months of 2 consecutive yrs |
Age<65 yrs | ||
Moderate or no respiratory impaiment | ||
<4 exacerbations·yr−1 | ||
3 | Complicated chronic bronchitis | Cough plus sputum for 3 months of 2 consecutive yrs |
Age>65 yrs or FEV1<50% or >4 exacerbations·yr−1 | ||
4 | Chronic bronchitis with other risk factors | Group 2 or 3 with risk factors for poor outcomes e.g. comorbid illness |
5 | Bronchiectasis | Chronic purulent sputum production |
Date from 101