Diseases that Present Less Relative Risk because of Increasing Overall Mortality
There are impairments that may present the same additionalmortality when expressed as excess additional deaths per 1, 000 of popula-tion. However, when this excess mortality is converted to debits. in otherwords, when it is expressed as a percentage of standard, or average, mor-tality, it converts into a lesser percentage, in that the average(standardmortality for older people is much greater than for younger people. This isa mathematical adjustment: A fixed number of extra deaths per thousandof population will be a small percentage of the larger denominator that isstandard mortality for an older population