Content area
Full text
THOMPSON IM, PAULER DK, GOODMAN PJ, ET AL PREVALENCE OF PROSTATE CANCERAMONG MEN WITH A PROSTATE-SPECIFIC ANTIGEN LEVEL < OR = 4.0 NG PER MILLILITER. N ENGL J MED 2004;350:2239-2246.
The ideal cutoff for the upper limit of normal for the prostate-specific antigen (PSA) test is not known. This study investigated the prevalence of prostate cancer in men with PSA level of 4.0 ng/mL or lower. The subjects were men who participated in the Prostate Cancer Prevention Trial, a study of the protective effect of finasteride. In this seven-year trial, more...