The Retinal Inner Plexiform Synaptic Layer Mirrors Grey Matter Thickness of Primary Visual Cortex with Increased Amyloid β Load in Early Alzheimer’s Disease

Table 2

Demographic features of all participants. Age and education show no significant differences between groups, but a significant difference was found in MoCA.

Variable	AD group () ()	HC group () ()	Excluded HC () ()	value
Age (years)	65.294 (6.459)	66.250 (6.866)	68.5 (6.191)	0.667
Education (years)	11.412 (5.063)	9.300 (5.930)	9 (3.830)	0.239
Female/male ratio	10/10	7/10	2/2	—
MMSE	23.1 (2.97)		—	—
MoCA	14.35 (4.021)	24.88 (4.208)	23 (4.397)	<0.001
CDR	1	—	—	—

MMSE: Mini-Mental State Examination; MoCA: Montreal Cognitive Assessment; CDR: Clinical Dementia Rating; SD: standard deviation; statistical tests performed between AD an HC groups.