Multicenter External Validation of the PIPRA Model for Postoperative Delirium in Older Adults.
BACKGROUND Postoperative delirium (POD) is a complication affecting up to 50% of older surgical patients. Early identification of at-risk patients is critical for targeted prevention. METHODS In this prospective cohort study, we validated the performance of the PIPRA machine-learning model for predicting POD across f...