摘要：

A computer program utilizing cause-age-time-sex-race-specific mortality or incidence rates is described. The program is used to determine the expected number of deaths or cases of disease in a cohort. Also, among a group of persons known to be dead, the number expected to have died of each cause can be calculated using proportional mortalities. Mortality rates based on United States vital statistics have been assembled for 57 causes of death for white males, white females and non-white males for each five-year age and time period from 1925 through 1969. Proportional mortalities and proportional cancer mortalities have been calculated. Incidence rates from the Connecticut Cancer Registry are available. The computer program is general and can be modified to use other sets of rates in determining the expected number of deaths in any study population.

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