Characteristics of Participants With Subjective or Mild Cognitive Impairment, Mild Alzheimer Disease, and Moderate Alzheimer Diseasea
↵a SCI=subjective cognitive impairment, MCI=mild cognitive impairment, AD=Alzheimer disease, IQR=interquartile range.
b Chi-square test.
c One-way analysis of variance.
d Fisher exact test.
e Range of scores=0–30, where a higher score indicates better performance.
f As judged by the participant and relatives.