Table 1.

Demographic data and neuropathological assessment of Alzheimer's disease and control patients.

	Controls (n = 20)	AD (n = 30)	p-values
Age (years ± SE)	83.6 ± 1.4	80.3 ± 1.6	0.078
Sex male: n (%)	9 (45.0)	12 (40.0)	0.73
Braak stage: median	2 (IQR 1, 2)	6 (IQR 5, 6)	<0.001
CERAD: median	0 (IQR 0, 1)	3 (IQR 3, 3)	<0.001

Differences between groups were analyzed suing a Student t-test (continuous), Kruskal-Wallis test (ordinal) or Fisher Exact test (categorical). IQR, interquartile range.