| Age (y); mean (SD), N
|
80.0 (5.9), 83 |
76.8 (8.5), 424 |
0.002 |
| Women |
36/83 (43%) |
30/424 (71%) |
<0.001 |
| Education (y); mean (SD), N
|
15.5 (2.8), 83 |
15.0 (2.7), 424 |
0.07 |
| Education >12 y |
64/83 (77%) |
314/424 (74%) |
0.56 |
| ApoE ε4 carrier |
13/56 (23%) |
58/239 (24%) |
0.87 |
| Followup (y); mean (SD), N
|
5.5 (2.7), 83 |
5.8 (2.9), 424 |
0.30 |
| Baseline MCI |
6/83 (7%) |
39/424 (9%) |
0.56 |
| MMSE (0–30); mean (SD), N
|
28.7 (1.6), 82 |
28.8 (1.6), 417 |
0.61 |
| JLO (0–30); mean (SD), N
|
23.7 (4.1), 73 |
23.5 (4.1), 354 |
0.73 |
| Clock drawing (0–10); mean (SD), N
|
9.32 (0.99), 80 |
9.30 (1.02), 421 |
0.87 |
| Stroop interference (0–150); mean (SD), N
|
31.0 (9.0), 81 |
32.1 (9.3), 408 |
0.34 |
| COWA total (0–120); mean (SD), N
|
37 (11), 82 |
38 (12), 421 |
0.71 |
| Animal fluency; mean (SD), N
|
16.6 (4.3), 82 |
17.2 (4.6), 422 |
0.28 |
| AVLT total learning (0–75); mean (SD), N
|
43.3 (9.3), 82 |
45.0 (10.3), 422 |
0.17 |
| AVLT long-term memory A7 (0–15); mean (SD), N
|
8.7 (3.7), 82 |
9.0 (3.3), 423 |
0.54 |
| AVLT percent recall (%); mean (SD), N
|
76 (24), 82 |
78 (21), 423 |
0.61 |
| Digit span forward correct (0–12); mean (SD), N
|
7.7 (2.1), 13 |
7.8 (1.7), 53 |
0.86 |
| Digit span backward correct (0–12); mean (SD), N
|
6.7 (2.3), 13 |
6.3 (2.1), 53 |
0.60 |
| BNT (0–30); mean (SD), N
|
27.4 (1.9), 13 |
26.7 (2.4), 52 |
0.37 |
| TMT-A (0–150 seconds); mean (SD), N
|
43 (17), 81 |
38 (17), 419 |
0.02 |
| TMT-B (0–300 seconds); mean (SD), N
|
109 (47), 81 |
99 (47), 417 |
0.08 |
