Association between the geriatric nutritional risk index and postoperative delirium: a meta-analysis (opens in new tab)

BackgroundMalnutrition has been suggested as an important contributor to postoperative delirium (POD). The geriatric nutritional risk index (GNRI), a simple indicator based on serum albumin and body weight, has been increasingly evaluated in surgical patients. This meta-analysis aimed to clarify the association between GNRI and the risk of POD.MethodsPubMed, Embase, and Web of Science were searched for observational studies evaluating the association between categorized GNRI and POD. Pooled r...