Summary of classification model performance.

aRisk factor model.bLipid species model.cCombined risk factor and lipid species model.dNumber of features required to attain maximum AUC.eDifference in AUC between model A+B and model A.fNet reclassification improvement between model A+B and model A.gCorrect classification of type 2 diabetes and IGT into the group requiring treatment or intervention and NGT into the group not requiring treatment or intervention expressed as a percentage of the total number of subjects in the type 2 diabetes, IGT and NGT groups individually.