Table 1.

ROC analysis and optimum threshold values

TST time (s) removed	Area under the curve	Optimum threshold
0	0.9047	0.5806
1	0.9598	0.6506
2	0.9775	0.7407
3	0.9847	0.7808**
FST time (s) removed	Area under the curve	Optimum threshold
0	0.9154	2.2207
1	0.9600	2.2306
2	0.9694	2.2306
3	0.9735	2.5861**

To find the optimum Δ area thresholds for each test, ROC curves were plotted with 0–3 s removed around the behavioral state transitions. The table shows the area under the ROC curves and corresponding optimum thresholds. ** recommended Δ area threshold (%) for each test.