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Age-standardisation is a technique used to enhance the comparability of event rates from different populations or different sub-populations over time by making adjustments for the confounding effects of differences in age structure between the populations being compared.

Age-standardized mortality rates can be used to compare the mortality rates of countries without being affected by the difference in age distributions from country to country. Without using this standardization, it would be unclear if differing mortality rates were due to age or as a result of other factors.

Age-standardization is commonly used when comparing health indicators across groups and populations, despite known limitations when the populations have divergent age structures.

In general, direct standardisation is preferred to the indirect method. This is because, in direct standardisation, the age-specific rates of the study populations are applied to just one standard population i.e. the weights applied to the age-specific rates are the same.

Procedure for direct standardization Multiply the age-specific mortality rates of the other population under study to the number of persons in each age group of the standard population. By this way, you will get the expected deaths for each age group of each population.

Age-adjustment is a statistical process applied to rates of disease, death, injuries or other health outcomes which allows communities with different age structures to be compared.

To enable us to make meaningful comparisons of, health, disability and unpaid care outcomes when we compare across age groups, over time or between geographies, we age standardise the data.

Age standardization is a statistical method used to compare disease rates, or other health indicators, between populations while accounting for differences in their age structure.

A method of adjusting the crude rate to eliminate the effect of differences in population age structures when comparing crude rates for different periods of time, different geographic areas and/or different population sub-groups (e.g. between one year and the next and/or States and Territories, Indigenous and non- ...

Age-standardized mortality rate (ASMR): A weighted average (based on a standard population) of the number of deaths from cancer per 100,000 people in a 5-year age group (0 to 4, 5 to 9, ?, 85 and older) that occurred during a year divided by the number of people in that age group that year.