Fig. 3From: Serum nicotinamide phosphoribosyltransferase as a novel biomarker for non-traumatic osteonecrosis of the femoral headA ROC curve analysis of serum NAMPT levels with regard to healthy controls vs NONFH cases. B ROC curve analysis of serum NAMPT levels with regard to ARCO 3 vs ARCO 4. C ROC curve analysis of serum NAMPT levels with regard to ARCO 2 vs ARCO 3Back to article page