Table 5 Unit costs (comparing trained practices with what they would be like untrained).
| Guideline | Atrial fibrillation | Transient ischaemic attack | ||
|---|---|---|---|---|
| Cost of guideline intervention | £48,618 | £50,066 | ||
| Number of practices trained | 34 | 43 | ||
| Cost/practice trained | £1430 | £1164 | ||
| Extra patients treated correctly: | ||||
| Over 21 month period of study | n (% gain) | Extra patients | n (% gain) | Extra patients |
| Previously diagnosed but untreated | 192 (7.3%) | 14.0 | NA | NA |
| Newly diagnosed: | ||||
| from improved diagnosis | 59.3 (62.1%) | 36.8 | 57.1 (65.7%) | 37.5 |
| from improved compliance | 164.7 (8.9%) | 14.7 | 172.9 (12.1%) | 20.9 |
| Total | 65.5 | 58.4 | ||
| Cost per unit of effect (extra patient correctly treated) | £742 | £858 | ||
Numbers based on the observed patients in trained practices after training and the relative risks of compliance and diagnosis in trained compared to untrained practices.