By one estimate I've seen, hypertension control has cut the death rate from stroke in half, and from heart attacks by a third.
In a survey of 28 states, the agency found the death rate increased from 1.0 to 2.1 per 100,000.
And increased coverage explained 88% of the variance in death rate— an extremely strong correlation.
death rate n.
The ratio of total deaths to total population in a specified community or area over a specified period of time; often expressed as the number of deaths per 1,000 of the population per year. Also called fatality rate, mortality rate.