Development and Validation of a Simple Model to Predict the Risk of Nonmelanoma Skin Cancer on Screening Total Body Skin Examination

Table 3

Classification statistics for cut points in the TBSE model.

	n positive	Sensitivity	Specificity
Points
≥2	3862	92.4%	55.2%
≥3	3718	90.5%	56.8%
≥4	2419	77.1%	72.2%
≥5	1858	69.5%	78.7%
≥6	758	44.8%	91.5%
≥7	216	21.0%	97.7%
≥8	83	10.5%	99.1%

TBSE-total body skin examination. 4 is the optimal cut point by Youden’s index.