Fig. 2From: Preoperative prognostic nutritional index is useful factor for predicting postoperative delirium after primary total joint arthroplastyReceiver operating characteristic curve for the risk factor of PNI (A) and age (B). PNI: Prognostic nutrition index; AUC: Area under curve; CV: Cutoff values; CI: Confidence interval; P: P-valuesBack to article page