No significant association was found when other types of dementia (n = 22) were compared to non-demented subjects (n = 413): for IgG-positive subjects, HR = 2.16, (95% CI : [0.48 ; 9.69] p = 0.31) and HR = 0.61, (95% CI : [0.08 ; 4.68], p = 0.63) for IgM-positive subjects. This evidence concerns the gene CD40LG and dementia.