Table 1.
Abbreviations: AD = Alzheimer disease; CDR = Clinical Dementia Rating; HC = healthy control; MMSE = Mini-Mental State Examination.
Significant difference (p < 0.001) between the very-old HC group and the young-old HC group.
Significant difference (p < 0.001) between the very-old AD group and the young-old AD group.
Significant difference (p < 0.001) between the young-old AD group and the 2 HC groups.
Significant difference (p < 0.001) between the very-old AD group and the 2 HC groups.