Table 1.
Baseline Demographic Information, Follow-Up Time, and Baseline Exacerbations
| Patients, Total | 250,723 |
| Age, mean (range) | 63.0 (40–107) |
| Male | 57.5% |
| Total person years follow-up time | 1,264,265.0 |
| Follow-up, mean | 5.04 |
| Follow-up, median | 5 |
| Pneumonia | 10,667 (4.3%) |
| Asthma | 52,608 (21%) |
| Osteoporosis | 2169 (8.7%) |
| Diabetes | 29,728 (11.9%) |
| Ischaemic heart disease | 54,335 (21.7%) |
| PAD | 15,115 (6.0%) |
| Stroke | 8490 (3.4%) |
| Atrial fibrillation | 21,842 (8.7%) |
| Dementia | 8215 (3.3%) |
| Heart failure | 32,598 (13.0%) |
| Malignant neoplasm | 29,998 (12.0%) |
| Depression and Anxiety | 53,144 (21.2%) |
| Number of baseline exacerbations | Exacerbation rate per 100 PY (95% CI) |
| Category A | 0 |
| Category B | 1 (1–1) |
| Category C | 3.00 (2.98–3.03) |