Table 1.
Neuropsychological data at inclusion of SP (n = 19) and CO (n = 21)
| Data at inclusion | SP mean | SP SD | CO mean | CO SD | F(l, 38) | p (two tailed) |
|---|---|---|---|---|---|---|
| MMSE, n/30 | 27.8 | 1.9 | 26.5 | 1.7 | 3.65 | 0.0637 |
| RI-48 | ||||||
| Immediate recall, n/48 | 35.4 | 6.6 | 31.2 | 5.7 | 2.17 | 0.1494 |
| Delayed recall, n/48 | 21.4 | 4.5 | 14.6 | 6.1 | 13.08 | 0.00008 |
| Intrusions, n | 3.5 | 3.1 | 6.2 | 8.7 | 1.98 | 0.1673 |
| Doors test, n/12 | ||||||
| Set A | 9.5 | 2.0 | 8.7 | 2.9 | 0.22 | 0.6440 |
| SetB | 5.6 | 3.0 | 4.7 | 1.9 | 1.22 | 0.2777 |
| Clock drawing (command), n/10 | 8.9 | 0.9 | 8.1 | 2.1 | 1.61 | 0.2129 |
| CDT(copy), n/10 | 9.6 | 0.7 | 8.9 | 1.2 | 3.36 | 0.0753 |
| Praxis part of the CERAD, n/11 | 9.8 | 1.2 | 9.3 | 1.6 | 0.17 | 0.6791 |
| LEXIS naming test, % | 85.3 | 7.3 | 82.5 | 6.8 | 0.45 | 0.5074 |
| Fluency tests for 2 min | ||||||
| Animals | 28.4 | 8.1 | 21.6 | 7.1 | 5.04 | 0.0307 |
| Letter P | 19.7 | 6.1 | 19.1 | 8.0 | 0.03 | 0.8620 |
| TMT (B – A) | ||||||
| Seconds | 70.5 | 60.0 | 107.2 | 62.1 | 1.59 | 0.2162 |
| Errors | 0.8 | 1.4 | 0.9 | 1.0 | 0.28 | 0.6007 |
| Stroop index | ||||||
| Timea | 2.3 | 0.5 | 2.5 | 0.6 | 0.30 | 0.5877 |
| Errors | 1.0 | 2.2 | 5.5 | 10.5 | 0.88 | 0.3559 |
Significant differences are shown in bold. Age was introduced as a covariate in all analyses. The number of subjects and degrees of freedom were adapted according to missing data (see Patients and Methods/Missing Data in the text).
a
Time to perform the interference condition divided by the average time to perform the reading and the color naming conditions.