TABLE 2.
Patient Characteristics
| Semantic Dementia Patients (n = 36)
| ||||
|---|---|---|---|---|
| Left n = 21 | Right n = 11 | Bilateral n = 4 | Left Versus Right | |
| Male/female | 9/12 | 5/6 | 2/2 | NS |
| Presenting age (y) | 62.1 (3.4) | 63.04 (4.1) | 62.4 (2.2) | NS |
| Age of onset (y) | 58.91 (3.2) | 59.71 (2.47) | 57.5 (3.11) | NS |
| Education (y) | 15.1 (1.87) | 14.91 (2.21) | 14.5 (1.91) | NS |
| MMSE | 23.1 (5.2) | 22.0 (6.1) | 22.8 (2.0) | NS |
| CERADdr | 1.57 (2.56) | 2.0 (2.91) | 0 (0) | NS |
| CERADrec | 15.76 (3.08) | 16.36 (3.14) | 14.0 (1.83) | NS |
| Constructions | 3.67 (0.66) | 3.64 (0.67) | 3.5 (0.58) | NS |
| FTLD-CDR | 6.33 (2.20) | 6.64 (2.20) | 9.0 (0.82) | NS |
| Face naming | 13.33 (6.62) | 2.36 (0.67) | 3.0 (0.82) | t = 5.39, P<0.001 |
| MRI anterior | L-R Dif: 2.9 (1.18) | L-R Dif: 2.64 (1.03) | L-R Dif: 0.5 (0.58) | NS |
| Temporal | Left: 2.33 (0.69) | Left: 0.86 (0.71) | Left: 2.25 (0.46) | t = 9.47, P<0.001 |
| Scores | Right: 0.88 (0.71) | Right: 2.18 (0.73) | Right: 2.50 (0.53) | t = −8.49, P<0.001 |
The t tests are 2-tailed with 30 degrees of freedom.
CERADdr indicates Consortium to Establish a Registry in Alzheimer’s Disease-Delayed Recall; CERADrec, Consortium to Establish a Registry in Alzheimer’s Disease-Recognition; FTLD-CDR, frontotemporal lobar degenerations-modified Clinical Dementia Rating Sum of Boxes scores; L-R Dif, left versus right-sided absolute difference scores (irrespective of valence); MMSE, Mini-Mental State Examination Score; MRI, magnetic resonance imaging; NS, nonsignificant.