An amplitude-based characteristic parameter extraction algorithm for cerebral edema detection based on electromagnetic induction

Table 1 ROC results of cerebral edema detection in 24 h based on every possible combination of characteristic parameters

Single		Double		Triple		Quadruple		Quintuple
Characteristic parameter	AUC^*	Characteristic parameter	AUC	Characteristic parameter	AUC	Characteristic parameter	AUC	Characteristic parameter	AUC
\(\alpha\)	0.89	\(\alpha \beta\)	0.84	\(\alpha \beta \gamma\)	0.90	\(\alpha \beta \gamma \delta\)	0.89	\(\alpha \beta \gamma \delta \rho\)	0.92
\(\beta\)	0.72	\(\alpha \gamma\)	0.92	\(\alpha \beta \delta\)	0.87	\(\alpha \beta \gamma \rho\)	0.95
\(\gamma\)	0.87	\(\alpha \delta\)	0.90	\(\alpha \beta \rho\)	0.87	\(\alpha \beta \delta \rho\)	0.88
\(\delta\)	0.64	\(\alpha \rho\)	0.90	\(\alpha \gamma \delta\)	0.94	\(\alpha \gamma \delta \rho\)	0.92
\(\rho\)	0.74	\(\beta \gamma\)	0.84	\(\alpha \gamma \rho\)	0.95	\(\beta \gamma \delta \rho\)	0.91
		\(\beta \delta\)	0.75	\(\alpha \delta \rho\)	0.91
		\(\beta \rho\)	0.77	\(\beta \gamma \delta\)	0.88
		\(\gamma \delta\)	0.97	\(\beta \gamma \rho\)	0.89
		\(\gamma \rho\)	0.97	\(\beta \delta \rho\)	0.78
		\(\delta \rho\)	0.94	\(\gamma \delta \rho\)	0.97

ISSN: 1475-925X