(HealthDay News) — Older adults with limited life expectancy (LE) frequently receive colorectal cancer (CRC) screening, according to a study published in the April issue of the Journal of the American Geriatrics Society.

Mara A. Schonberg, MD, MPH, from Harvard Medical School in Boston, and colleagues examined CRC screening receipt according to age and LE in older adults in the United States. Data were collected for 7,747 community-dwelling adults, aged ≥65 years, who participated in the 2008 or 2010 National Health Interview Survey.

The researchers found that CRC screening was higher in 2010 than in 2008 (58.9 vs. 53.7%; P<0.001), and correlated with longer LE and younger age. However, 51.1% of adults aged ≥75 and 50.9% of adults with less than a 10-year LE reported receiving CRC screening. CRC screening of adults aged ≥65 years was targeted to those aged ≥75 years and those with less than a 10-year LE in 28.4% of cases, based on age and LE at time of screening. Overall, 39.2% of adults aged 65–75 years with a 10-year LE or more had not been screened recently.

“Older adults with little chance of benefit because of limited LE commonly undergo CRC screening, whereas many adults aged 65–75 with a 10-year LE or greater are not screened,” the authors write.

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