Task: Answer Verification
Input (English): Question: Are nadir PSA level and time to nadir PSA prognostic factors in patients with metastatic prostate cancer?
Answer: Nadir PSA and time from PADT to nadir were factors that affect both CRPC and overall survival in a cohort of patients with metastatic prostate cancer. Lower nadir PSA level and longer time from PADT to nadir were good for survival and progression.
Output (English): yes