Multivariable Models Predicting Specific Patient-Reported Acute Urinary Symptoms After Radiation Therapy for Prostate Cancer: Results of a Cohort Study

This analysis aims at correlations between clinical/dosimetric factors and acute urinary symptoms, measured by the International Prostate Symptom Score (IPSS). The final dataset of a prospective multicenter study was considered: 542 patients (pts), conventional (74-80 Gy, 1.8-2 Gy/fr) or moderately hypofractionated radiation therapy (RT) (65-75.2 Gy, 2.2-2.7 Gy/fr) 5 fractions per week. Relevant clinical factors collected included T stage,...