Shared decision making in prostate-specific antigen testing: The effect of a mailed patient flyer prior to an annual exam - Abstract

INTRODUCTION AND AIMS: Professional societies recommend that the decision to screen for prostate cancer involves a shared discussion between patient and provider.

Many men are tested without this discussion. Prostate cancer screening decision aids increase patient knowledge and participation in prostate-specific antigen (PSA) testing decisions under ideal circumstances but are often resource intensive and elaborate. There is a need for evaluation of interventions that are low cost, low literacy, and practical for widespread distribution. The authors evaluated the effect of a mailed low-literacy informational patient flyer about the PSA test on measures of shared decision making.

METHODS: A pragmatic randomized controlled trial comparing the mailed flyer versus usual care was conducted among 303 men aged 50 to 74 years who were scheduled for annual health maintenance exams in 2 general internal medicine clinics (University of Colorado and University of Colorado Hospital). Charts were reviewed after the visits for documentation of PSA screening discussions and PSA testing rates. Follow-up patient surveys assessed include perceived participation in PSA screening decisions, knowledge of the PSA test, and flyer acceptability.

RESULTS: Rates of chart-documented PSA discussions were low with no difference between the flyer and control groups (17.7% and 13.6%, respectively; P = .28). Rates of PSA testing were also similar in both groups (62.5% vs 58.5%; P = .48). Rates of patient-reported PSA discussions were higher than the documented rates but also without differences between the groups (71.8% vs 62.3%; P = .22). The intervention had no effect in the PSA knowledge scores (3.5/5 vs 3.3/5, P = .60). Patients found the flyer to be highly acceptable.

CONCLUSIONS: A mailed low-literacy informational flyer was well received by patients but had no effect on rates of PSA discussions, PSA testing, or patient knowledge of prostate cancer screening.

Written by:
Landrey AR, Matlock DD, Andrews L, Bronsert M, Denberg T.   Are you the author?
Department of General Internal Medicine, University of Colorado, Denver, CO, USA.

Reference: J Prim Care Community Health. 2013 Jan 1;4(1):67-74.
doi: 10.1177/2150131912447074


PubMed Abstract
PMID: 23799692

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