Table 3.

Correlations between blood and CSF concentrations of each nutrient/metabolite in control, MCI, and AD subjects

	Control subjects	MCI	AD
Uridine, ρ	0.401∗	0.295∗	0.189∗
Choline, ρ	0.316∗	0.402∗	0.385∗
Betaine, ρ	0.368∗	0.483∗	0.359∗
Folate, ρ	0.452∗	0.451∗	0.294∗
Homocysteine, ρ	0.517∗	0.499∗	0.554∗
Albumin, ρ	0.100	0.048	0.126

Abbreviations: AD, Alzheimer's disease; MCI, mild cognitive impairment; ρ, Spearman's rank correlation coefficient.

^∗P < .05.