Estimated average cost of treatment (£) per patient by cost category and estimated ratio of costs with 95% confidence interval for main categories
| Attack (n=2653) | No attack (n=9550) | Ratio of costs | 95% CI | |
| Patient initiated GP consultation | 24.07 | 8.23 | ||
| Practice initiated GP consultation | 15.42 | 5.60 | ||
| Patient initiated nurse consultation | 1.85 | 0.92 | ||
| Nurse review | 8.63 | 6.42 | ||
| Primary care (total) | 49.97 | 21.17 | 2.36 | 2.27 to 2.45 |
| Drugs | 127.38 | 74.63 | ||
| Emergency | 1.14 | 0.09 | ||
| Medication (total) | 128.53 | 74.72 | 1.72 | 1.63 to 1.82 |
| Hospital stay | 169.18 | 7.04 | ||
| Outpatients | 23.69 | 4.68 | ||
| A & E | 9.73 | 0.28 | ||
| Secondary care (total) | 202.60 | 12.00 | 16.9 | 12.6 to 22.8 |
| Overall total | 381.09 | 107.89 | 3.53 | 3.20 to 3.87 |