Noted urologist calls attention to implications of flawed prostate specific antigen data in SEER

(Elsevier Health Sciences) NCI recently announced that it had removed all PSA data from the SEER and SEER-Medicare programs. The data were removed after quality control checks revealed that a substantial number of PSA values were incorrect. An editorial in The Journal of Urology® explores the ramifications of the removal of these data for researchers, clinicians, and administrators within the health care community, as well as the use and accuracy of large administrative datasets in general.