Fig. 1. ROC curve for the Beck Anxiety Inventory as a test for panic disorder. Plotted are the false-positive rate (1 - Sp) on the x axis against the true-positive rate (Se) on the y axis. Values on the curve (ie, 40, 35, 30, 25, 20, 15, 10, and 5) indicate Beck Anxiety Inventory cutoff levels ( specified value) corresponding to each point on the curve.

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