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001, WM volume P http://www.selleckchem.com/products/Nutlin-3.html P=.61). Adding TICV to the model made no difference to the pattern of significance. The following variables were then introduced separately into the dementia, parietal WM, and sex model: preexisting heart disease, hypertension, history of cerebrovascular disease, lung function, obesity, walk time, current cognitive function, childhood cognitive ability, APOE ?4 status (83 of the 98 participants (85%) had their APOE genotype determined), education (years), smoking history, WMH, PVH, cholesterol, low-density lipoprotein cholesterol, high-density lipoprotein cholesterol, triglycerides, and diabetic status. No additional significant relationships were found. Including both of the parietal volume estimates (GM and WM), it was found that parietal WM significance was retained, and parietal GM was lost (dementia P http://www.selleckchem.com/products/ABT-737.html findings were therefore independent of the presence of dementia. Possible relationships between brain volumes and survival have not been widely examined. No studies on MRI-derived regional brain differences and mortality were found in a review of the relevant literature. The Cardiovascular Health Study examined the density of WMHs and ventricular volumes (as a proxy for cortical atrophy) and found that greater ventricular size and more WMHs are associated with greater risk of death during follow-up.20 These results were consistent with this volumetric finding, but the current study did not find an association with WMHs. The http://www.selleck.cn/products/Methazolastone.html strengths of the study are the analysis of regional brain GM and WM volumes with adjustment for risk factors for mortality. In addition, the subgroups of survivors and those who died were matched at baseline for an extensive list of functional, cognitive, and vascular measures. Recruitment to a brain imaging study of participants who were in good general health and from a narrow age range facilitated interpretation of survival data. There are, however, certain limitations. Those who participated in imaging were a self-selected subsample of those invited at random to take part and may not have been representative of the population from which they were drawn, being healthier and less likely to be cognitively impaired.