Overdiagnosis: Epidemiologic Concepts and Estimation

Overview

Journal Epidemiol Health

Specialty Public Health

Date 2015 Apr 1

PMID 25824531

Citations 10

Authors

Jong-Myon Bae

Affiliations

Soon will be listed here.

Abstract

Overdiagnosis of thyroid cancer was propounded regarding the rapidly increasing incidence in South Korea. Overdiagnosis is defined as 'the detection of cancers that would never have been found were it not for the screening test', and may be an extreme form of lead bias due to indolent cancers, as is inevitable when conducting a cancer screening programme. Because it is solely an epidemiological concept, it can be estimated indirectly by phenomena such as a lack of compensatory drop in post-screening periods, or discrepancies between incidence and mortality. The erstwhile trials for quantifying the overdiagnosis in screening mammography were reviewed in order to secure the data needed to establish its prevalence in South Korea.

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