[url=http://en.wikipedia.org/wiki/Disability-adjusted_life_year]Disability-adjusted Life Year[/url]
For Australians with Ischaemic Heart Disease the DALY it is 350-700 per 100000.
So for the upper Kedron Brook valley community with about 31000 residents we are looking at 108 – 217 life years lost because of ischaemic heart disease in this valley.