Table 2.

Receiving operating characteristics (ROC) analysis of Her-2/neu

Cut-off HER-2/neu (ng/ml)	Sensitivity (%)	Specificity (%)	% of Correct classification	LR+	LR−
10.4	56.72	79.43	65.69	2.757	0.5449
10.42	55.22	79.43	64.79	2.6845	0.5637
10.5	54.85	79.43	64.56	2.6664	0.5684
10.56	54.48	81.14	65.01	2.889	0.561
10.6	54.48	81.71	65.24	2.9792	0.5571
10.64	53.36	83.43	65.24	3.2199	0.5591
10.65	52.99	83.43	65.01	3.1974	0.5635
10.8	52.61	84.00	65.01	3.2882	0.5641
10.88	51.87	84.57	64.79	3.3617	0.5692
10.98	51.49	84.57	64.56	3.3375	0.5736
11	51.12	86.29	64.56	3.3133	0.578
11.12	50.37	86.29	64.56	3.673	0.5751
11.2	50.00	86.29	64.33	3.6458	0.5795
11.25	49.63	86.86	64.33	3.776	0.58
11.3	49.63	87.43	64.56	3.9476	0.5762
11.32	47.76	89.14	64.11	4.3991	0.586
11.34	47.76	89.71	64.33	4.6434	0.5823

Italicized row is related to 85th percentile