Mapping the FACT-P to the Preference-Based EQ-5D Questionnaire in Metastatic Castration-Resistant Prostate Cancer

ObjectivesTo develop a mapping algorithm for estimating EuroQol five-dimensional (EQ-5D) questionnaire values from the prostate cancer–specific health-related quality-of-life (HRQOL) instrument Functional Assessment of Cancer Therapy–Prostate (FACT-P) instrument.MethodsThe EQ-5D questionnaire and FACT-P instrument data were collected for a subset of patients with metastatic castration-resistant prostate cancer in a multicenter, randomized,...