Prevalence rates: OPCRD compared with the BTS Registry
| Morbidity | OPCRD Severe asthma n=808 (%) | 95% CI | BTS (all subjects) n=770 (%) | 95% CI |
|---|---|---|---|---|
| Type II diabetes | 10 | (8 to 12) | 10 | (8 to 13) |
| Obesity (BMI >30) | 42 | (39 to 45) | 50 | (46 to 53) |
| Osteopenia | 10 | (8 to 12) | 35 | (31 to 40) |
| Osteoporosis | 16 | (13 to 18) | 17 | (14 to 21) |
| Fracture | 5 | (4 to 7) | 2 | (1 to 3) |
| Dyspeptic disorders | 65 | (61 to 68) | 57 | (54 to 61) |
| Glaucoma | 4 | (3 to 6) | 2 | (1 to 3) |
| Cataract | 9 | (7 to 11) | 3 | (2 to 5) |
| Cardiovascular disease | 10 | (8 to 12) | 7 | (5 to 9) |
| Hypertension | 34 | (31 to 38) | 19 | (16 to 22) |
| Psychiatric disorders | 38 | (35 to 42) | 22 | (19 to 25) |
| Hypercholesterolaemia | 15 | (13 to 18) | 13 | (11 to 16) |
| Sleep disorder | 4 | (3 to 6) | 11 | (9 to 14) |
BMI, body mass index; BTS, British Thoracic Society; OPCRD, Optimum Patient Care Research Database.