Table 1.
Demographic and neuropsychological profiles of SD patients and healthy control subjects.
| SD patients (n = 21)† | Healthy controls (n = 18) | Group difference (t values or χ2 values) | |
|---|---|---|---|
| Background information | |||
| Age (years) | 61.57 (8.77) ‡ | 60.44 (4.09) | 0.53 |
| Gender (M/F) | 10/11 | 7/11 | 0.67 |
| Education (years) | 11.24 (3.30) | 10.61 (3.01) | 0.62 |
| MMSE (/30 §) | 21.62 (4.60) | 27.94 (1.66) | -5.87∗∗∗ |
| Semantic tasks | |||
| Oral picture naming (/140) | 40.33 (25.46) | 125.00 (7.82) | -14.46∗∗∗ |
| Picture associative matching (/70) | 52.05 (8.65) | 66.67 (2.28) | -7.45∗∗∗ |
| Word associate matching (/70) | 50.95 (9.77) | 67.17 (1.54) | -7.50∗∗∗ |
| Non-semantic tasks | |||
| Calculation (/7) | 6.38 (0.97) | 6.44 (0.70) | -0.23 |
| Rey-O Recall (/36) | 10.43 (8.26) | 17.06 (6.07) | -2.81∗∗ |
†21 observations from 17 patients; ‡mean value (standard deviation); §number of items; MMSE, Mini-Mental State Examination. ∗p < 0.05, ∗∗p < 0.01, ∗∗∗p < 0.001.