Does the RAI-rev have robust discrimination, calibration, and external validity as a frailty-screening tool in surgical patients?
The RAI-rev is a valid frailty-screening tool ready for immediate clinical use in preoperative risk assessment.
The RAI-rev has improved discrimination and calibration as a frailty-screening tool in surgical patients. It has robust external validity in men and women across a wide range of surgical settings and available for immediate implementation for risk assessment and counseling in preoperative patients.
Arya et al. (Wed,) studied this question.