Prostate cancer screening: Attitudes and practices of family
DOI:
https://doi.org/10.5489/cuaj.379Abstract
Introduction: The utility of prostate cancer screening is controversial. We sought to determine whether Ontario’s family physicians believe it is beneficial and to characterize their screening protocols.
Methods: A survey was developed with input from urologists,
family physicians and the Ontario Medical Association’s Section
on General and Family Practice. Questions covered three domains: (1) demographics, (2) beliefs about screening utility and (3) screening practices. All 7302 family physicians in Ontario were invited by email to complete the online survey.
Results: A total of 969 physicians completed the survey; 955
(52.0% male, 48.0% female) were included. Most (80.97%) use
prostate-specific antigen (PSA) and digital rectal examination (DRE) for screening; 9.4% use DRE alone and 7.15% PSA. Of the respondents, 8.3% do not offer prostate cancer screening. Most physicians begin offering screening at age 50 (72.9%) and stop at ages 70 or 80 (68.4%); 17.9% offer lifelong screening. In response to the statement “screening with DRE provides a survival benefit,” 37.6% and 32.6 agreed and disagreed, respectively. For “screening with PSA provides a survival benefit,” 43.3% agreed and 31.0% disagreed. For the statement “the benefits of prostate cancer screening outweigh the risks,” 51.4% agreed and 22.0% disagreed.
Discussion: Although 91.7% of respondents offer prostate cancer screening, they are divided over its utility. Only 51.4% were convinced that the benefits outweighed the harms. There is significant variability between physicians’ screening protocols. A limitation of study is the possibility of selection bias. Nevertheless, this is the largest sample of Ontario family physicians ever surveyed about prostate cancer screening and highlights divergent physician practices and a need for more conclusive evidence on screening utility.
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