Table 2.

The relative risks of death for those with existing CVD used by the model.

Disease state	Relative risk	Derivation
Previous MI.	6.0	Pharoah et al [10]
Existing CHD excluding MI.	2.4
Previous stroke.	1.56	Estimated using the reciprocal of the life expectancy ratios calculated for stroke survivors in 1994 by Hannertz et al [25]
Other existing CVD.	2.0	2.0 used as no suitable reference was identified and this figure is approximately half way between 1.56 (stroke) and 2.4 (CHD).