Fig. 1From: Circulating glutamate concentration as a biomarker of visceral obesity and associated metabolic alterationsROC curves of the ability of glutamate concentrations to identify individuals with excessive VAT accumulation. Best thresholds are represented by circles and were determined using Youden’s Index (J = sensitivity + specificity – 1). Sensitivity and specificity were defined as true positive/(true positive + false negative) and true negative/(true negative + false positive) respectively. ROC receiving operator characteristic, VAT visceral adipose tissue, AUC area under the curveBack to article page