Association Between Preoperative Prognostic Nutritional Index and Delirium After Spine Surgery in the Elderly: A Retrospective Analysis.
STUDY DESIGN This is a retrospective case-control study. OBJECTIVE This study hypothesized that a low preoperative prognostic nutritional index (PNI) would increase the risk of postoperative delirium in such patients and aimed to prove it. SUMMARY OF BACKGROUND DATA Postoperative delirium in elderly patients result...