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Journal of Aging and Health
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Screening for Colorectal Cancer in Elderly Persons

Who Should We Screen and When Can We Stop?

Shail Maheshwari, MD

Baylor College of Medicine

Tushar Patel, MBChB

The Ohio State University, tushar.patel{at}osumc.edu

Parita Patel, MD

The Ohio State University

Objective: The aim of this study was to quantify the impact of age on the potential benefits of screening for colorectal cancer. Method: Life-table analysis of the risks of dying from colorectal cancer or from all other causes was performed. The impact of prematurely stopping screening was compared to the maximal potential benefit expected from lifelong screening. Results: The relative proportion of deaths from colorectal cancer compared to all other causes was greatest at the age of 62 and diminished thereafter. A total of 80% of the maximal benefit from screening was achieved by screening till the age of 82. The impact of prematurely stopping screening varied with gender and race. Discussion: The maximal societal benefit will be achieved by screening at younger ages because of competing causes of mortality among older people. Gender and ethnicity should be considered in individual decisions to stop screening at a given age.

Key Words: age • actuarial analysis • life-table analysis • life expectancy

This version was published on February 1, 2008

Journal of Aging and Health, Vol. 20, No. 1, 126-139 (2008)
DOI: 10.1177/0898264307309939
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