Death certificate only proportions should be age adjusted in studies comparing cancer survival across populations and over time
European Journal of Cancer(2016)
摘要
•Death certificate only (DCO) proportions are commonly used data quality indicators in cancer survival studies.•We show that they strongly depend on age structures of cancer patient populations.•DCO proportions should therefore be age adjusted in cancer survival studies.
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关键词
Age adjustment,Cancer registries,Death certificate only,Methods,Survival
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