EEG-Based Automatic Sleep Staging Using Ontology and Weighting Feature Analysis

Table 11

Confusion matrix and average sensitivity on five-state sleep stages (without weight coefficient).

		Classifier
		WA	NREM1	NREM2	SWS	REM	Sensitivity (%)
Experts	WA	581	51	37	7	15	84.08
	NREM1	64	404	123	5	89	58.98
	NREM2	71	137	3459	184	118	87.15
	SWS	5	3	164	1759	2	91.00
	REM	24	74	154	13	997	79.00