Descriptive demographics and neuropsychological test resultsab
| 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)cd | 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.