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Table 3 ROC results of 0–6 h vs 6–24 h distinction in experimental group based on every possible combination of characteristic parameters

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

Single Double Triple Quadruple Quintuple
Characteristic parameter AUC* Characteristic parameter AUC Characteristic parameter AUC Characteristic parameter AUC Characteristic parameter AUC
\(\alpha\) 0.83 \(\alpha \beta\) 0.88 \(\alpha \beta \gamma\) 0.88 \(\alpha \beta \gamma \delta\) 0.87 \(\alpha \beta \gamma \delta \rho\) 0.93
\(\beta\) 0.83 \(\alpha \gamma\) 0.81 \(\alpha \beta \delta\) 0.90 \(\alpha \beta \gamma \rho\) 0.91   
\(\gamma\) 0.65 \(\alpha \delta\) 0.88 \(\alpha \beta \rho\) 0.91 \(\alpha \beta \delta \rho\) 0.90   
\(\delta\) 0.64 \(\alpha \rho\) 0.88 \(\alpha \gamma \delta\) 0.89 \(\alpha \gamma \delta \rho\) 0.93   
\(\rho\) 0.69 \(\beta \gamma\) 0.83 \(\alpha \gamma \rho\) 0.88 \(\beta \gamma \delta \rho\) 0.91   
   \(\beta \delta\) 0.85 \(\alpha \delta \rho\) 0.88     
   \(\beta \rho\) 0.88 \(\beta \gamma \delta\) 0.84     
   \(\gamma \delta\) 0.83 \(\beta \gamma \rho\) 0.86     
   \(\gamma \rho\) 0.84 \(\beta \delta \rho\) 0.88     
   \(\delta \rho\) 0.89 \(\gamma \delta \rho\) 0.88     
  1. *AUC takes two significant digits