Kruskal-Wallis multiple comparison test reveals that Man-Tf levels are significantly higher in MCI (7.44 ± 3.07 μg/mL, p < 0.001) and AD (5.97 ± 2.01 μg/mL, p < 0.001) than in iNPH (4.24 ± 1.43 μg/mL) (Figure 7). This evidence concerns the gene TF and Alzheimer disease.