Table 2.
Means and standard deviations for neuropsychological tests and δ scores by diagnostic group.
| AD vs. DLB |
AD vs. FTD |
AD vs. VAD |
FTD vs. DLB |
DLB vs. VAD |
FTD vs. VAD |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Test | AD | DLB | AD | FTD | AD | VAD | FTD | DLB | DLB | VAD | FTD | VAD |
| MMSE | 20.6 (6.31) | 20.82 (6.93) | 20.24 (6.44) | 21.03 (7.91) | 17.84 (7.03) | 20.44 (6.62) | 21.2 (7.83) | 20.82 (6.93) | 19.85 (7.66) | 20.44 (6.62) | 20.87 (6.61) | 20.44 (6.62) |
| LM-I | 3.84 (3.39) | 5.77 (4.1) | 4.16 (3.53) | 6.34 (4.87) | 3.86 (4.21) | 5.27 (3.74) | 6.17 (4.74) | 5.77 (4.1) | 5.55 (4.86) | 5.27 (3.74) | 4.58 (3.94) | 5.27 (3.74) |
| LM-D | 1.93 (2.83) | 4.18 (3.92) | 2.33 (3.15) | 4.84 (4.74) | 1.77 (2.75) | 2.95 (3.91) | 4.47 (4.36) | 4.18 (3.92) | 3.77 (4.11) | 2.95 (3.91) | 2.74 (3.44) | 2.95 (3.91) |
| DS-F | 6.75 (2.33) | 6.68 (2.19) | 6.63 (2.41) | 6.62 (2.63) | 6.87 (2.2) | 6.68 (1.95) | 6.68 (2.56) | 6.68 (2.19) | 6.63 (2.17) | 6.68 (1.95) | 6.72 (2.68) | 6.68 (1.95) |
| DS-B | 4.38 (2.11) | 3.83 (1.83) | 4.07 (2.02) | 4.31 (2.5) | 4.53 (2.06) | 4.05 (1.87) | 4.45 (2.39) | 3.83 (1.83) | 3.42 (1.81) | 4.05 (1.87) | 4.37 (2.48) | 4.05 (1.87) |
| Animals | 10.92 (5.73) | 10.63 (5.44) | 10.88 (5.43) | 10.25 (6.17) | 9.33 (5.13) | 9.23 (4.97) | 10.22 (5.99) | 10.63 (5.44) | 10.75 (6.32) | 9.23 (4.97) | 9.29 (4.52) | 9.23 (4.97) |
| Vegetables | 6.83 (4.09) | 6.66 (3.57) | 6.55 (4.01) | 6.22 (4.19) | 5.83 (3.7) | 6.52 (3.64) | 6.02 (3.9) | 6.66 (3.57) | 7.05 (4.28) | 6.52 (3.64) | 5.54 (3.28) | 6.52 (3.64) |
| TMT-Aa | 77.49 (44.39) | 54.07 (42.8) | 77.1 (45.14) | 84.84 (41.3) | 74.24 (42.58) | 54.2 (37.11) | 84.56 (41.33) | 54.07 (42.8) | 53.31 (43.1) | 54.2 (37.11) | 68.22 (44.3) | 54.2 (37.11) |
| TMT-Ba | 98.3 (87.11) | 44.02 (71.36) | 101.97 (91.5) | 125.93 (93.17) | 79.1 (79.77) | 46.4 (69.3) | 120.44 (91.03) | 44.02 (71.36) | 37.88 (64.78) | 46.4 (69.3) | 102.14 (88.21) | 46.4 (69.3) |
| DSC | 25.98 (14.59) | 19.09 (11.21) | 24.45 (14.98) | 30.05 (14.84) | 22.92 (13.69) | 20.22 (12.58) | 29.4 (14.22) | 19.09 (11.21) | 18.75 (10.33) | 20.22 (12.58) | 24.61 (13.47) | 20.22 (12.58) |
| BNT | 20.31 (7.44) | 22.6 (5.91) | 22.11 (6.95) | 20.79 (8.52) | 16.4 (8.2) | 19.17 (6.84) | 20.98 (8.43) | 22.6 (5.91) | 20.71 (7.56) | 19.17 (6.84) | 19.72 (7.7) | 19.17 (6.84) |
| FAQa | 11.44 (8.45) | 8.4 (8.11) | 12.43 (8.28) | 9.59 (8.34) | 7.66 (7.53) | 8.63 (8.59) | 8.98 (8.29) | 8.4 (8.11) | 8.54 (8.45) | 8.63 (8.59) | 7.62 (8.13) | 8.63 (8.59) |
| d | −1.84 (1.33) | −1.92 (1.45) | −1.89 (1.39) | −1.85 (1.64) | −2.47 (1.56) | −2.04 (1.33) | −1.84 (1.6) | −1.92 (1.45) | −2.14 (1.61) | −2.04 (1.33) | −1.99 (1.27) | −2.04 (1.33) |
Note. AD = Alzheimer's disease; DLB = dementia with Lewy Bodies; FTD = Frontotemporal dementia; VAD = Vascular dementia; MMSE = Mini-Mental State Examination; LM-I = Logical Memory – Immediate; LM-D = Logical Memory – Delayed; DS-F = Digit Span – Forward; DS-B = Digit Span – Backward; TMT-A = Trail Making Test part A; TMT-B = Trail Making Test part B; DSC = Digit Symbol Coding; BNT = Boston Naming Test; FAQ = Functional Activities Questionnaire.
a
TMT and FAQ scores are recoded so that high scores are reflective of better performance.