Why the study?
Does the RAI-rev have robust discrimination, calibration, and external validity as a frailty-screening tool in surgical patients?
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.
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Supports RAI-rev for preoperative frailty screening; extends observational validation but leaves open need for prospective outcome trials.
Arya et al. (2019) studied this question.
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