The name is absent



Nutrition and Coronary Heart Disease

TABLE 4: LOWER BOUND, MIDPOINT AND UPPER BOUNDS OF EFFECTIVENESS FOR EACH
INTERVENTION.

INTERVENTION

YEARS OF EFFECTIVENESS

Lower Bound

(years)

Mid-Point

(years)

Upper bound

(years)

-ɑp

4

53

T

Community

2

3.5

5

Mass Media

1

2

3

HospitaVRehab

______________2

____________3.5

_____________5_

These assumptions will provide an upper and lower bound for the sensitivity analysis.
The sensitivity analysis will scrutinise the assumptions made above and test whether
varying the time span of a strategy will affect its cost-effectiveness ranking.

Effectiveness of the interventions

Through an examination of prevalence rates within the target groups, the number of
CHD events for each of the sub-groups can be estimated. Table 5 provides SWSAHS
population figures and the expected number of CHD deaths over one year. The figures
in Table 5 are for people in the 25 to 75 age group. Note that approximately 18 % of
CHD occur outside this age group. The table is compiled from a range of
epidemiological profiles, relative risk measures and CHD death statistics for the
SWSAHS. See Appendix C for a more detailed discussion on these figures.

CHERE Project Report IJ- November 1999

22




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