The highest AUC values were seen for plasma neurotensin when comparing patients with controls; FES versus HC [AUC = 0.83, 95% confidence interval [CI] 0.74–0.91; Figure 2A]; BD versus HC [AUC = 0.80, 95% CI 0.71–0.89; Figure 2B]; and MDD versus HC [AUC = 0.87, 95% CI 0.77–0.94; Figure 2C]. The gene discussed is NTS; the disease is major depressive disorder.