TABLE 1

Clinical Characteristics of Participants

Reference databaseClinical groups
CharacteristicDBDB+NLMCIMild ADModerate-to-severe AD
n555519371518
Age* (y)69 (7), 50–8268 (7), 50–8068 (4), 55–8070 (7), 50–8269 (8), 50–8365 (7), 51–80
Education* (y)15 (2), 12–1815 (2), 12–1814 (3), 11–1811 (4), 8–1812 (3), 9–1810 (3), 8–18
% Female555658605367
MMSE*29 (1), 28–3029 (1), 28–3029 (1), 28–3027 (2), 24–3026 (2), 24–2819 (4), 10–23§
  • * Values are mean, with SD in parentheses, followed by range.

  • Lower than NL, P ≤ 0.05.

  • Lower than MCI, P ≤ 0.05.

  • § Lower than mild AD, P ≤ 0.05.