Absolute improvements in 1-year survival required based on a threshold of £30 000 per life year
| Cost of treatment, £ . | Required 1-year absolute survival benefit if treatment benefit persists for indicated time . | |||
|---|---|---|---|---|
| 1 year, % . | 18 months, % . | 2 years, % . | 3 years, % . | |
| 2500 | 6 | 4 | 3 | 2 |
| 5000 | 11 | 8 | 7 | 5 |
| 7500 | 17 | 13 | 10 | 7 |
| 10 000 | 22 | 17 | 13 | 10 |
| 12 500 | 28 | 21 | 17 | 12 |
| 15 000 | 33 | 25 | 20 | 14 |
| 20 000 | 44 | 33 | 27 | 19 |
| 25 000 | 56 | 42 | 33 | 24 |
| 30 000 | 67 | 50 | 40 | 29 |
| 40 000 | 89 | 67 | 53 | 38 |
| Cost of treatment, £ . | Required 1-year absolute survival benefit if treatment benefit persists for indicated time . | |||
|---|---|---|---|---|
| 1 year, % . | 18 months, % . | 2 years, % . | 3 years, % . | |
| 2500 | 6 | 4 | 3 | 2 |
| 5000 | 11 | 8 | 7 | 5 |
| 7500 | 17 | 13 | 10 | 7 |
| 10 000 | 22 | 17 | 13 | 10 |
| 12 500 | 28 | 21 | 17 | 12 |
| 15 000 | 33 | 25 | 20 | 14 |
| 20 000 | 44 | 33 | 27 | 19 |
| 25 000 | 56 | 42 | 33 | 24 |
| 30 000 | 67 | 50 | 40 | 29 |
| 40 000 | 89 | 67 | 53 | 38 |
The table assumes an average extension of life in year 1 of half the end-of-year benefit, and that the benefit persists for 1, 1.5, 2, or 3 years beyond that.