COX proportional hazards regression model generated with ChatGPT version 3,5 on 07.05.2024 The Cox proportional hazards regression model, often referred to as Cox regression or just proportional hazards model, is a statistical technique used to analyze the relationship between the survival time of subjects and predictor variables. It's commonly employed in survival analysis, a branch of statistics that deals with time-to-event data, such as time until death or time until recurrence of a disease. yes Model