Distribution of patients by treatment step in the BTS asthma guidelines and age group (% of column total in parentheses)
| BTS treatment step | Age group (years) | |||||
|---|---|---|---|---|---|---|
| <5 | 5–15 | 16–44 | 45–74 | 75+ | Total | |
| 0 | 35 (6%) | 271 (8%) | 440 (10%) | 186 (5%) | 21 (4%) | 953 (8%) |
| 1 | 177 (30%) | 612 (18%) | 938 (22%) | 444 (13%) | 63 (13%) | 2234 (18%) |
| 2 | 164 (27%) | 1134 (34%) | 1874 (43%) | 1274 (37%) | 173 (36%) | 4619 (38%) |
| 3 | 164 (27%) | 884 (26%) | 732 (17%) | 828 (24%) | 101 (21%) | 2709 (22%) |
| 4 | 55 (9%) | 436 (13%) | 278 (6%) | 549 (16%) | 76 (16%) | 1394 (11%) |
| 5 | 2 (0%) | 25 (1%) | 53 (1%) | 165 (5%) | 49 (10%) | 294 (2%) |
| Total | 597 | 3362 | 4315 | 3446 | 483 | 12 203 |