Before revision: Real world evidence (RWE) in medicine means evidence obtained from real world data (RWD) , which are observational data obtained outside the context of randomized controlled trials (RCTs) and generated during routine clinical practice.
After revision: Real-world evidence (RWE) in medicine is the clinical evidence regarding the usage and potential benefits or risks of a medical product derived from analysis of real-world data (RWD) , which are observational data obtained outside the context of randomized controlled trials (RCTs) and generated during routine clinical practice.