Table 5: Feature selection methods used to select 10 metabolites, while using a LASSO classifier and all 4 clinical features.

MethodAverage AUCAUC standard
deviation

Random0.6780.036
Correlation (Pearson)0.7120.008
mRMR0.7070.018
Mutual information0.7120.015
SVM weights0.6990.020
SVM recursive0.6970.016

The bolded row shows the approach we have decided to use.