Table 2.

Correlations Between HC Imaging and Fluid Measures

		CSF tau	CSF ptau181	CSF Aβ40	CSF Aβ42	Plasma Aβ40	Plasma Aβ42
CDR 0	Pearson r	−0.2180	−0.1330	0.0330	0.0430	0.2260	0.1380
	p-value	0.1030	0.3250	0.8100	0.7490	0.1150	0.3390
	df	55	55	55	55	48	48
CDR >0	Pearson r	−0.3170	−0.2470	−0.0040	−0.1540	0.0430	0.0610
	p-value	0.1070	0.2140	0.9850	0.4420	0.8370	0.7710
	df	25	25	24	25	23	23

Correlations were controlled for age. Abbreviations: df, degrees of freedom; HC, hippocampal complex (combined left and right hippocampal formation).