Learn fundamental concepts of survival time analysis in this Japanese language lecture from Kyoto University Graduate School of Medicine's biostatistics course for clinical researchers. Assistant Professor Naohiro Yonemoto from the Department of Healthcare Epidemiology presents Chapter 3, focusing on risk indicators and treatment effect measures. Explore statistical methods essential for analyzing time-to-event data in clinical research as part of AMED's biostatistician development program. Originally recorded on December 21, 2017, this 19-minute lecture provides specialized knowledge for medical researchers and statisticians studying clinical trial methodology.