Fig. 2From: Cerebrospinal fluid biomarkers for Alzheimer's and vascular disease vary by age, gender, and APOE genotype in cognitively normal adultsCSF Aβ42 by age and gender and stratified by APOE genotype. Scatterplot of CSF Aβ42 vs participant age and predicted means with 95% CIs predicted from linear regression on gender × age interaction adjusted for APOE-ε4 status (a), and stratified by APOE-ε4 negative (b) and positive (c) from linear regression on gender by age × APOE-ε4 interaction. Aβ 42 amyloid beta1–42, APOE apolipoprotein E, CSF cerebrospinal fluid, yrs yearsBack to article page