Table 3.

APOE Genotypes and CSF Cholesterol Efflux

APOE Genotype	2/3	2/4	3/3	3/4	4/4
CH
n	6	2	25	9
Mean (SD)	1.38 (0.77)	2.33 (0.62)	1.58 (0.77)	1.61 (0.89)
MCI
n	5	2	21	1	2
Mean (SD)	0.87 (0.27)	0.90 (0.23)	1.0 (0.36)	0.94	0.68 (0.02)
AD
n			10	4
Mean (SD)			1.07 (0.49)	1.31 (0.27)

AD indicates Alzheimer's disease; CH, cognitively healthy; MCI, mild cognitive impairment.