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what is the advantage of presenting area-standardised rate instead of crude rate when comparing different countries?

Would the answer be that it helps to control for confounding (where area is a confounder)? Or is it that it allows different countries with different distributions to be compared?

Appreciate if someone can help, thank you.

Kalamazoo
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I think you are confusing standardisation with stratification (splitting the data in subpopulations). Here the data is stratified by area type to allow comparison.

Gertjan Verhoeven
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