Determinants of change in prostate-specific antigen over time and its association with recurrence after external beam radiation therapy for prostate cancer in five large cohorts.
PURPOSE
To assess the relationship between prognostic factors, postradiation prostate-specific antigen (PSA) dynamics, and clinical failure after prostate cancer radiation therapy using contemporary statistical models.
METHODS AND MATERIALS
Data from 4,247 patients with 40,324 PSA measurements treated with external beam radiation monotherapy in five… (More)