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Table 1: Descriptive demographics and neuropsychological test results^a^b
AD (n = 6) MCI (n = 11) NC (n = 8)
Age (years) 78 (65–88) 76 (61–87) 73.5 (62–78)
Sex (female/male) 4/2 5/6 5/3
Education (years) 13 (10–18) 16 (11–18) 15.5 (11–18)
Mini-Mental State Exam 23 (20–26)^c 27 (24–30)^c 30 (28–30)
Verbal Fluency 9.5 (8–12)^c^d 17 (11–20) 21.5 (14–32)
Boston Naming 13 (7–13) 13 (8–15) 14.5 (13–15)
CP 7.5 (6–11) 11 (4–11) 11 (10–11)
Word List Memory Total 11 (8–21)^c 18 (9–21) 23.5 (15–28)
WLDR 2.5 (0–3)^c 4 (0–8)^c 8 (7–10)
Word List Recognition 18 (16–19) 19 (17–20) 20 (19–20)
Constructional Praxis Recall 1 (0–8) 6 (2–11) 11 (9–14)
TMT-A 69.5 (41–254)^c 40 (22–66) 26.5 (16–54)
TMT-B 184.5 (138–300)^c 111 (53–203) 60.5 (38–95)
Note:—NC indicates control subjects; WLDR, Word List Delayed Recall; CP, Constructional Praxis; TMT, Trail-Making Test.
a TMT-A and TMT-B are in units of seconds. All other neuropsychological units are the number of correct responses.
b Median (ranges) except sex.
c Statistically significant versus NC.
d Statistically significant versus MCI.