In the dementia group, CSF ApoA1 levels correlated positively with CSF ICAM1 and VACM1 levels [correlation range 0.55 to 0.62, all p < 0.001], while a negative correlation was observed between plasma ApoA1 and CSF ICAM1 and VCAM1, but this correlation was not significant. This evidence concerns the gene APOA1 and dementia.