Table 4.
Regional volumes and neuropsychological data from semantic dementia patients with predominantly left temporal (LTL group) or right temporal (RTL group) atrophy.
| LTL group n=17 mean (StD) | RTL group n=10 mean (StD) | p | |
|---|---|---|---|
| Age | 63.3 (7.8) | 63.8 (7.1) | 0.868 |
| LTL volume Z score | -1.91 (1.37) | -0.92 (0.92) | 0.053 |
| RTL volume Z score | 0.28 (1.10) | -2.38 (0.89) | <0.001 |
| Total tissue volume (cc) | 858.4 (92.4) | 789.5 (84.4) | 0.065 |
| CDR (sum of boxes) | 2.7 (2.3) | 5.4 (2.2) | 0.006 |
| MMSE (30) | 22.8 (5.5) | 24.0 (6.1) | 0.612 |
| Rey copy (17) | 15.7 (1.6) | 14.9 (1.2) | 0.217 |
| Rey figure recall (17) | 7.7 (4.9) | 6.3 (4.7) | 0.488 |
| Digit span backwards | 4.8 (1.1) | 4.5 (1.3) | 0.572 |
| PPTW (52) | 36.7 (8.3) | 39.7 (7.8) | 0.354 |
| PPTP (52) | 40.2 (6.3) | 34.5 (8.1) | 0.050 |
| BNT (15) | 3.6 (3.0) | 5.1 (4.7) | 0.377 |
LTL = left temporal lobe; RTL = right temporal lobe
CDR = Clinical Dementia Rating; MMSE = mini-mental state examination; PPTW = Pyramids and Palm Trees (words version); PPTP = Pyramids and Palm Trees (pictures version); BNT = Boston Naming Test