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. 2014 Apr 30;9(4):e96206. doi: 10.1371/journal.pone.0096206

Figure 1. Receiver-operating curve (ROC) analysis of platelet derived VEGF and NPAA in the detection of lung cancer.

Figure 1

(A,B) ROC analysis of lung cancer patients and healthy controls, and healthy controls as a negative group and patients with lung cancer as a positive group. NPAA had the best predictive diagnostic accuracy (AUC = 0.893, P<0.0001). AUROC: area under receiver-operating curve.