|
Base case assumptions
|
Alternative assumptions
|
Source
|
Reference
|
Health parameters
|
Mortality from MI and from stroke (current rates) | Age/sex specific rates Norway 1994 | Low: 25% lower | Statistics Norway |
14
|
High: 25% higher |
Ratio of non-fatal to fatal MIs | 2:1 | Low: 1:1 | Finnmark Study |
15
|
High: 3:1 |
Ratio of non-fatal to fatal strokes | 3:1 | Low: 2:1 | Innherred Study |
16
|
High: 4:1 |
Reversibility of the risk of MIs | 100% | 50% | Bergen Study |
17
|
Reversibility of the risk of cerebral strokes | 100% | 50% | Bergen Study |
17
|
Reduction in systolic blood pressure | 2 mm Hg | Low: 1 mm Hg | |
1
2
3 |
High: 4 mm Hg |
Economic parameters
|
Cost of information campaigns and development of new products with less salt (new recipes) | $2.9 mill/year | Low: $1.4 mill | Expert judgement |
10
|
High: $5.7 mill |
Welfare losses from taxation/subsidising | $14 mill/year | Low: $0 mill/year | Expert judgement |
10
|
Middle: $23 mill/year |
High: $143 mill/year |
Cost savings from reduced antihypertensive treatment | $6 mill per 2 mm Hg reduction in systolic blood pressure | Low: 0 | Tromsø Study |
18 19
|
High: $9 mill per 2 mm reduction |
Cost of in hospital care for MI | $7 143 | Low: $3 571 | DRG price list |
20
|
High: $10 714 |
Cost of care for non-fatal stroke (one year cost) | $14 286 | Low: $7 143 | DRG price list and public accounts |
20
|
High: $21 429 |
Cost of care for fatal stroke | $7 857 | Low: $4 643 | DRG price list |
20
|
High: $11 071 |
Cost of in hospital care during extended life | Age/sex specific DRG utilisation rates | Low: 50% | National DRG statistics |
20
|
High: 200% |
Mean annual income incl. employer tax | $31 429 | Low: $25 714 | Statistics Norway |
23
|
High: $37 143 |
Proportion non-retired | Age/sex specific rates | Low: 10% lower | Statistics Norway |
23
|
High: 10% higher |
Elasticity factor | 0.8 | 0.0 | |
24
|
1.0 |
Discount rate | 5% | 0% | |
25
|
3.5% |
7% |
10% |