Figure 1. (A) Log Plasma BDNF levels in all-cause MCI cases compared to controls, with various sensitivity analyses including and removing co-morbidities. * indicates p<0.05, ***indicates p<0.01, and ***indicates p<0.001. (B) Log Plasma BDNF levels in non-amnestic (non-a) MCI cases compared to controls, with various sensitivity analyses including and removing co-morbidities.* indicates p<0.05, ***indicates p<0.01, and ***indicates p<0.001.