Additional file 1.

Specially designed algorithms for risk and effectiveness assessment used in the IMPACT trial. The algorithms are based on the same stratifications as the SCORE model and present the estimated ten-year mortality risk and the remaining life expectancy, respectively, without statin treatment as well as the estimated ARR in percentages and POL in months, respectively, if treated with a statin. Participating GPs were allocated and instructed to use only one of the respective effectiveness formats when informing their patients about CVD risk and the effectiveness of statin therapy.

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Harmsen et al. BMC Health Services Research 2013 13:76   doi:10.1186/1472-6963-13-76