Is anyone listening? Variation in PSA screening among providers for men 75+ before and after United States preventive services task force recommendations against it: A retrospective cohort study

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Abstract

Background: In 2008, the United States Preventive Services Task Force recommended against prostate specific antigen (PSA) testing for cancer screening in men age 75+. Purpose: To assess PSA screening by primary care physicians (PCPs) before and after recommendations. Methods: In 2013, this retrospective cohort study analyzed PCPs in Texas with 20+ male patients aged 75+ in both 2007 and 2010, with Parts A and B Medicare. The main outcome was percent of PCP's male patients 75+ who received PSA testing ordered by the PCP in 2007 and 2010, with no recent symptoms suggestive of prostate cancer. Results: In both 2007 and 2010, 1,083 PCPs cared for at least 20 men aged 75 or older. The rate of PSA screening ordered by PCPs was 33.2% in 2007 and 30.6% in 2010. In multilevel analyses controlling for patient characteristics, the variation in PSA screening attributable to the PCP (intraclass correlation coefficient) increased from 23% in 2007 to 26% in 2010, p<0.001. Men with PCPs older than age 60 had 9% lower odds (95% CI, 1-17%) in 2010 compared to 2007 of receiving a PSA test, vs. a 4% increase (95% CI, 4% decrease to 12% increase) in men with PCPs aged 50 or younger. Patients with Board Certified PCPs had a 12% lower odds (95% CI, 8% to 16%) from 2007 to 2010, vs. 2% increase (95% CI 11% decrease to 18% increase) in men with PCPs without board certification. Conclusions: The USPSTF recommendation did not increase consensus among PCPs regarding PSA screening of older men.

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Goodwin, J. S., Jaramillo, E., Yang, L., Kuo, Y. F., & Tan, A. (2014). Is anyone listening? Variation in PSA screening among providers for men 75+ before and after United States preventive services task force recommendations against it: A retrospective cohort study. PLoS ONE, 9(9). https://doi.org/10.1371/journal.pone.0107352

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