APOE and Alzheimer disease: After covariates (including age, sex, body mass index, total cholesterol, HDL-C, triglycerides, site of sample collection, APOE ε4 alleles, omega-3 supplementation and statin use) corrections, using a multivariate modelling to identify lipids important for AD diagnosis or predicting of future AD onset the authors observed a final concordance statistic (C-statistic) of 0.752 (95% CI 0.747–0.757) through the incorporation of 10 lipid species in the model.