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. Author manuscript; available in PMC: 2010 Dec 1.
Published in final edited form as: Mol Biosyst. 2009 Dec;5(12):1688–1702. doi: 10.1039/B905913J

Table 2.

Summary of ROC Curve Results

Area Threshold value Accuracy
VL3 VLXT VSL2 VL3 VLXT VSL2 VL3 VLXT VSL2
TM-alpha 0.740 ± 0.002 0.768 ± 0.004 0.826 ± 0.003 0.18 ± 0 0.16 ± 0 0.31 ± 0 67.7% ± 0.5% 70.8% ± 0.5% 75.1% ± 0.5%
 TM-beta 0.713 ± 0.009 0.705 ± 0.010 0.796 ± 0.009 0.24 ± 0 0.38 ± 0.01 0.49 ± 0.01 64.1% ± 1.3% 67.7% ± 0.6% 72.5% ± 0.8%
 PDD 0.729 ± 0.003 0.712 ± 0.004 0.762 ± 0.003 0.28 ± 0.01 0.33 ± 0 0.43 ± 0.01 66.0% ± 0.4% 64.9% ± 0.5% 69.1% ± 0.3%

The areas under the ROC curves (Area), the threshold values determined from the breakeven points specified as values on the X-axis (Threshold Values) and accuracies calculated using the indicated threshold values (Accuracy) for data obtained using the VL3, VLXT, and VSL2 predictors as applied to sequences from the TM-alpha, TM-beta and PDD datasets.