Mean (SD) neuropsychological test results for the patient groups and controls
| Test (maximum score) | AD | DLB | Controls | One way Anova F value | p Value | Significant group effects |
| Memory: | ||||||
| Digit span | ||||||
| Forwards | 6.3 (1.1) | 5.2 (1.3) | 7.0 (1.0) | 7.1 | 0.0031 | 2-151 |
| Backwards | 3.7 (0.9) | 2.3 (1.0) | 5.2 (1.5) | 16.9 | 0.0000 | 2-150 2-151 2-152 |
| Logical memory | ||||||
| Immediate (24) | 2.4 (1.4) | 4.8 (3.0) | 8.8 (1.9) | 28.9 | 0.0000 | 2-150 2-151 2-152 |
| Delayed (24) | 0.1 (0.3) | 1.8 (2.6) | 7.0 (2.2) | 40.3 | 0.0000 | 2-151 2-152 |
| % Recall after delay | 3.7 (11.1) | 27.9 (35.6) | 78.2 (15.0) | 39.8 | 0.0000 | 2-150 2-151 2-152 |
| RMT | ||||||
| Words (25) | 16.9 (3.3) | 15.1 (4.1) | 24.6 (1.0) | 42.4 | 0.0000 | 2-151 2-152 |
| Faces (25) | 18.4 (3.8) | 16.9 (4.3) | 24.5 (0.6) | 24.9 | 0.0000 | 2-151 2-152 |
| Category fluency: total correct | 23.6 (5.6) | 23.4 (11.9) | 53.8 (9.5) | 42.9 | 0.0000 | 2-151 2-152 |
| Graded naming test (30) | 14.6 (8.1) | 13.1 (4.5) | 25.4 (2.1) | 20 | 0.0000 | 2-151 2-152 |
| Perceptual tasks: | ||||||
| VOSP | ||||||
| Screening (20) | 19.3 (1.1) | 18.7 (1.4) | 19.5 (0.7) | 2.1 | 0.1415 | |
| Fragmented letters (20) | 18.3 (1.1) | 8.9 (5.4) | 19.2 (0.9) | 42.1 | 0.0000 | 2-150 2-151 |
| Silhouette identification (30) | 15.4 (5.6) | 15.8 (4.2) | 21.8 (2.9) | 10.3 | 0.0004 | 2-151 2-152 |
| Object decision (20) | 16.3 (3.5) | 11.8 (4.6) | 17.1 (2.4) | 7.5 | 0.0023 | 2-150 2-151 |
| Cube analysis (10) | 7.9 (2.5) | 3.4 (2.6) | 9.6 (1.0) | 30.6 | 0.0000 | 2-150 2-151 |
| Attentional tasks: | ||||||
| TEA | ||||||
| Elevator counting (7) | 5.6 (1.4) | 3.9 (2.6) | 6.8 (0.4) | 8.5 | 0.0012 | 2-151 |
| Elevator counting +distraction (10) | 4.1 (2.4) | 2.6 (3.3) | 8.5 (1.9) | 17.4 | 0.0000 | 2-151 2-152 |
| Map search total score (80) | 30.3 (14.5) | 11.8 (11.7) | 61.3 (11.4) | 44.8 | 0.0000 | 2-150 2-151 2-152 |
| Stroop: colour/word condition, No read (112) | 30.4 (17.2) | NA | 102.1 (16.7) | 104.2 | 0.0000 | 2-152 |
| Della Sala | ||||||
| Task 1: proportion of correct spans | 0.6 (0.2) | 0.7 (0.2) | 0.5 (0.3) | 0.8 | 0.4514 | |
| Task 2: No crosses (ca 180) | 108.6 (25.8) | 60.5 (46.3) | 147.5 (27.0) | 16.1 | 0.0000 | 2-150 2-151 2-152 |
| Task 3: No crosses (ca 180) | 70.1 (21.9) | 28.7 (25.6) | 109.0 (39.9) | 13.2 | 0.0001 | 2-150 2-151 2-152 |
| Task 3: proportion of correct spans | 0.7 (0.2) | 0.6 (0.2) | 0.6 (0.3) | 0.2 | 0.7884 | |
| Combined decrement score | 1.6 (3.6) | 7.1 (5.7) | 1.6 (4.1) | 3.8 | 0.0362 | 2-150 2-151 |
| WCST | ||||||
| No categories correct (6) | 3.4 (1.9) | NA | 5.9 (0.4) | 11.7 | 0.0003 | 2-152 |
| No perseverative errors | 7.0 (5.4) | NA | 1.4 (2.8) | 5.7 | 0.0102 | 2-152 |
| FAS Verbal fluency: total correct | 21.5 (9.3) | 17.8 (17.9) | 39.1 (11.1) | 4.6 | 0.0219 | 2-151 |