Fig. 2From: Plasma D-dimer is not useful in the prediction of deep vein thrombosis after total knee arthroplasty in patients using rivaroxaban for thromboprophylaxisReceiver operating characteristics (ROC) curves for plasma D-dimer in the diagnosis of DVT. The AUCs of plasma D-dimer at 4 h after surgery, POD1, and POD4 were 0.547 (p = 0.42), 0.58 (p = 0.17), and 0.635 (p = 0.02), respectively. AUC, area under curveBack to article page