Table 2.

ROC curves data in PDD patients and controls

Spectral measures	Cut-off value	Sensitivity	Specificity	AUC
		%	%
REM sleep a
Slow-to-fast ratio: Frontal	3.33	64	48	0.58 (ns)
Slow-to-fast ratio: Central	2.83	64	50	0.61 (ns)
Slow-to-fast ratio: Temporal	2.33	86	61	0.78
Slow-to-fast ratio: Parietal	2.99	71	71	0.77
Slow-to-fast ratio: Occipital	3.73	71	82	0.82
Wake b
Slow-to-fast ratio: Frontal	1.15	73	71	0.75
Slow-to-fast ratio: Central	0.83	73	66	0.74
Slow-to-fast ratio: Temporal	0.80	80	76	0.81
Slow-to-fast ratio: Parietal	0.68	73	61	0.78
Slow-to-fast ratio: Occipital	0.78	73	71	0.81
DOF	8.35	73	83	0.79
N-REM sleep
Sigma power: Parietal	4.53	67	68	0.70

^a PDD, n = 14;.

^b PDD, n = 15, Controls, n = 41.

AUC = area under the curve; ns = non-significant; DOF = dominant occipital frequency.