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Under-ascertainment of elderly cases in cancer registry data is a well-known problem. This article provides the cancer incidence in developing countries corrected for the under-ascertainment in elderly cancer cases (aged 65+). The original incidence rate by GLOBOCAN 2002 was 11% (men 15%; women 7%) under-estimated, so there were 6,462,000 new cancer cases (3,093,000 men; 2,737,000 women) in 2002 topping...
Objective Any fall-off in the age-specific cancer incidence curve in oldest age groups may be suggestive of under-ascertainment. This article introduces a correction method for under-ascertainment of cancer cases in the very elderly (aged 75+). Methods Corrected age-specific rates for a certain cancer are calculated by summing the age-specific rates of that cancer for two lower age groups multiplied...
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