Table 1. Sociodemographic and cognitive data of the AD, non-AD and control groups.
| Subtests | AD (n = 45) | Non-AD (n = 27) | Controls (n = 45) | K | P | Post-hoc (Dunn test) | Effect size |
|---|---|---|---|---|---|---|---|
| Age | 65.3 (6.5) | 64.5 (6.4) | 68.9 (5.6) | 5.35 | < 0.005 | 0 = 1 < 2 | d = 0.31 |
| Schooling | 13.1 (5.1) | 11.9 (4.6) | 10.0 (5.1) | 4.48 | < 0.01 | 0 = 1 > 2 | d = 0.28 |
| Sex | p < 0.007 | x² = 5.28 | |||||
| Men | 19 | 17 | 16 | ||||
| Woman | 26 | 10 | 29 | ||||
| MMSE | 24.1 (2.8) | 24.2 (2.1) | 28.0 (1.2) | 14.31 | < 0.001 | 0 = 1 < 2 | η 2 = 0.10 |
| Naming | 9.8 (0.5) | 9.7 (0.8) | 9.9 (0.2) | 0.59 | 0.74 | - | - |
| Inc. Mem | 4.5 (1.9) | 5.1 (1.8) | 5.8 (1.3) | 9.34 | < 0.001 | 0 < 2; 1 = 2 | η 2 = 0.06 |
| Im. Mem | 6.2 (1.64) | 6.7 (1.6) | 8.1 (1.19) | 31.77 | < 0.001 | 0 = 1 < 2 | η 2 = 0.25 |
| Learning | 7.0 (1.7) | 7.4 (2.2) | 8.9 (1.0) | 26.26 | < 0,001 | 0 = 1 < 2 | η 2 = 0.21 |
| DR | 4.5 (2.2) | 6.1 (2.4) | 8.3 (1.2) | 48.46 | < 0.001 | 0 < 1 < 2 | η 2 = 0.40 |
| Recognition | 8.7 (2.0) | 8.0 (2.2) | 9.8 (0.4) | 16.26 | < 0.001 | 0 = 1 < 2 | η 2 = 0.12 |
| VF | 13.3 (5.1) | 11.4 (4.6) | 17.7 (4.7) | 25.61 | < 0.001 | 1 < 0 < 2 | η 2 = 0.21 |
| CDT | 6.9 (2.3) | 6.6 (2.3) | 8.3 (1.7) | 6.48 | < 0.03 | - | - |
| BCSB total | 59.4 (12.4) | 59.7 (10.7) | 77.1 (7.4) | 31.98 | < 0.001 | 0 = 1 < 2 | η 2 = 0.26 |
0: AD; 1: non-AD; 2: Control; MMSE: Mini-Mental State Examination; Inc. Mem: incidental memory; Im. Mem: immediate memory; DR: delayed recall; VF: verbal fluency; CDT: clock drawing test; BCSB: Brief Cognitive Screening Battery.