Do Men Know That They Have Had a Prostate-Specific Antigen Test? Accuracy of Self-Reports of Testing at 2 Sites
Evelyn C. Y. Chan, MD,
Sally W. Vernon, PhD,
Chul Ahn, PhD and
Anthony Greisinger, PhD
Evelyn C. Y. Chan and Chul Ahn are with the Division of General Internal Medicine, University of TexasHouston Medical School. Sally W. Vernon is with the Center for Health Promotion and Prevention Research, University of TexasHouston School of Public Health. Anthony Greisinger is with Kelsey Research Foundation and Kelsey-Seybold Clinic, Houston, Tex.
Correspondence: Requests for reprints should be sent to Evelyn C. Y. Chan, MD, Biomedical Ethics, Division of General Internal Medicine, University of TexasHouston Medical School, 6431 Fannin, 1.122 MSB, Houston, TX 77030 (e-mail: evelyn.c.chan{at}uth.tmc.edu).
This study determined the accuracy of self-reports of prostatespecificantigen (PSA) testing. Men (N = 402) attending 2 outpatientclinics were asked: "Did you have a PSA test today?" and theirmedical records were checked. Concordance, sensitivity, andfalse-negative values were 65%, 67%, and 33%, respectively,at 1 clinic site and 88%, 64%, and 36% at the other. The accuracyof self-reports of PSA testing should be interpreted with caution.
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