Prevalences of at least one exacerbation in the first year post-qualification
| Hospital | GP | Prednisolone | |
| Sex | |||
| Male | 0.2% | 2.1% | 7.1% |
| Female | 0.4% | 2.6% | 9.2% |
| p=0.001 | p=0.001 | p<0.001 | |
| Prescriptions at qualification | |||
| Reliever and preventor | 0.5% | 3.9% | 14.3% |
| Other | 0.3% | 1.7% | 5.8% |
| p=0.001 | p<0.001 | p<0.001 | |
| Number of exacerbations* in the 5 years pre-qualification | |||
| 0 | |||
| 1 | 0.3% | 1.7% | 5.9% |
| 2 | 3.3% | 9.0% | 14.9% |
| 3+ | 17.5% | 12.5% | 25.0% |
| 18.8% | 30.8% | 47.8% | |
| p<0.001 (trend) | p<0.001 (trend) | p<0.001 (trend) | |
| Time since the last pre-qualificaiton exacerbation* | |||
| <1 year | 11.8% | 20.5% | 39.5% |
| 1–2 years | 8.8% | 11.0% | 22.3% |
| 2–3 years | 6.5% | 9.2% | 16.2% |
| 3+ years | 1.9% | 5.8% | 13.6% |
| p<0.001 (trend) | p<0.001 (trend) | p<0.001 (trend) | |
↵* Of the same type.