Table 3.

Pearson correlation analysis among mRNA levels of tested genes in frontal cortex from 10 Alzheimer’s disease (AD) and 5 non-demented old subjects (NDO).

		GDF15	IL-6	TP53	ATF3	ATF4	DDIT3
GDF15	r	1
	p
IL-6	r	0.680**	1
	p	0.005
TP53	r	0.728**	0.645*	1
	p	0.003	0.013
ATF3	r	0.614*	0.605*	0.542*	1
	p	0.015	0.017	0.045
ATF4	r	0.061	0.096	0.359	0.229	1
	p	0.830	0.734	0.208	0.412
DDIT3	r	0.389	0.076	0.698**	0.387	0.477	1
	p	0.152	0.788	0.006	0.154	0.072

^*p < 0.05; ^**p < 0.01.