Michaela A Meier, Franz Gross, Stephan E Vogel, Roland H Grabner
Mathematical expertise: the role of domain-specific knowledge for memory and creativity
Scientific reports
elderly patients receiving lumbar fusion surgeries present higher risk profile necessitates robust predictor postoperative outcomes red distribution width rdw preoperative routinely determined parameter reflects degree heterogeneity red blood cells thereby rdw associated frailty hospitaladmitted patients study aims elucidate potential rdw frailty biomarker predictive prolonged hospital stays following elective monosegmental fusion surgery elderly patients retrospective study included patients age 75 years treated via lumbar singlelevel spinal fusion 2015 2022 tertiary medical center prolonged length stay plos defined length 3rd quartile los included patients classical correlation analysis receiveroperating characteristic roc new machine learning algorithms used total 208 patients included present study median age 77 iqr 7580 years median los patients 6 iqr 58 days data shows significant positive correlation rdw los rdw significantly enhanced plos group new machine learning approaches imputation multiple variables enhance performance auc 71 rdw may serve predictor plos elderly results compelling determination frailty biomarker routinely performed hospital admission improved prognostication los could enable healthcare systems distribute constrained hospital resources efficiently fostering evidencebased decisionmaking processes