Table 2.

Correlations of biological markers of AD risk with EC means measured inside the cluster of significant between‐group differences (see Figure 1b)

Effect of interest	p value	APOE 4−/4+	Linear fits in subgroups
			APOE4−	APOE4+
Age	p = 0.007*	p = 5.0 × 10−5 *	p = 0.012* R 2 = 0.034	p = 0.058 R 2 = 0.048
CSF‐amyloid	p = 0.017*	p = 0.037*	p = 0.085 R 2 = 0.030	p = 0.159 R 2 = 0.056
NGMV	p = 0.008*	p = 1.4 × 10−4 *	p = 0.022* R 2 = 0.028	p = 0.113 R 2 = 0.034
15OT test score	p = 0.001*	p = 1.6 × 10−5 *	p = 0.000* R 2 = 0.071	p = 0.481 R 2 = 0.007
Time for TMT pt. A	p = 0.030*	p = 1.4 × 10−4 *	p = 0.032* R 2 = 0.025	p = 0.665 R 2 = 0.003
Time for TMT pt. B	p = 0.005*	p = 3.1 × 10−4 *	p = 0.035* R 2 = 0.024	p = 0.102 R 2 = 0.036

The * indicates p <0.05