Clinical Factors Predicting Late Severe Urinary Toxicity After Postoperative Radiotherapy for Prostate Carcinoma: A Single-Institute Analysis of 742 Patients

PurposeTo investigate the clinical factors independently predictive of long-term severe urinary sequelae after postprostatectomy radiotherapy.Patients and MethodsBetween 1993 and 2005, 742 consecutive patients underwent postoperative radiotherapy with either adjuvant (n = 556; median radiation dose, 70.2 Gy) or salvage (n = 186; median radiation dose, 72 Gy) intent.ResultsAfter a median follow-up of 99 months, the 8-year risk of Grade 2 or...