Table 6.

Performance of proposed approach for the automated classification of wake vs. S1-sleep vs. S2-sleep vs. S3-sleep vs. REM.

Cross-Validation	Overall Accuracy (%)	Accuracy of Wake (%)	Accuracy of S1-Sleep (%)	Accuracy of S2-Sleep (%)	Accuracy of S3-Sleep (%)	Accuracy of REM (%)	Kappa Score
Hold-out	$73.59\pm 0.56$	$85.53\pm 1.15$	$42.99\pm 1.71$	$77.27\pm 1.25$	$63.55\pm 0.97$	$60.01\pm 1.92$	$0.62\pm 0.00$
10-fold	$73.88\pm 1.48$	$87.02\pm 1.46$	$48.86\pm 3.80$	$74.81\pm 1.74$	$74.28\pm 3.23$	$73.36\pm 1.59$	$0.65\pm 0.01$