PLIN2 and Alzheimer disease: ADRP expression was also significantly higher in AD-NS (M = 4.8, SD = 2.7) compared to NC-NS (M = 1.4, SD = 0.6) group, t(18) = 3.87, p = 0.001, Fig. 2 and it accurately differentiated between AD-NS and NC-NS (AUC = 0.95, specificity = 90%, sensitivity = 80%), Fig. 4.