Cognitive function | Group | Mean scores | Std. dev | Std. dev error | F | Sig. | t | Mean difference | p value |
---|---|---|---|---|---|---|---|---|---|
Memory | |||||||||
Verbal memory (list learning test) | Patients | 7.8000 | 2.20907 | 0.27832 | 0.704 | 0.404 | −0.970 | −0.45000 | 0.335 |
Control | 8.2500 | 2.42709 | 0.38376 | ||||||
Working memory (digit sequencing test) | Patients | 17.35 | 5.930 | 0.747 | 0.350 | 0.555 | −0.616 | −0.751 | 0.539 |
Control | 18.10 | 6.184 | 0.978 | ||||||
Attention and processing speed | |||||||||
Trail making test A | Patients | 53.73 | 21.880 | 2.757 | 2.985 | 0.087 | 1.716 | 6.630 | 0.089 |
Control | 47.10 | 13.608 | 2.152 | ||||||
Symbol coding | Patients | 38.78 | 15.286 | 1.926 | 0.165 | 0.685 | −1.371 | −3.997 | 0.173 |
Control | 42.78 | 12.927 | 2.044 | ||||||
Verbal fluency | |||||||||
Category instances test | Patients | 16.59 | 5.910 | 0.745 | 0.913 | 0.342 | −0.625 | −0.788 | 0.533 |
Control | 17.38 | 6.709 | 1.061 | ||||||
Controlled oral word association test | Patients | 13.45 | 5.270 | 0.718 | 6.926 | 0.010 | −2.569 | −3.434 | 0.012 |
Control | 16.59 | 7.126 | 1.126 | ||||||
Motor speed (token motor test) | Patients | 76.92 | 12.058 | 1.519 | 1.218 | 0.272 | −2.419 | −5.679 | 0.017 |
Control | 82.60 | 10.862 | 1.717 | ||||||
Executive functions | |||||||||
Tower of London | Patients | 12.10 | 5.738 | 0.723 | 0.445 | 0.506 | −2.198 | −2.505 | 0.030 |
Control | 14.60 | 5.472 | 0.865 | ||||||
Trail making test B | Patients | 105.48 | 45.932 | 5.787 | 10.849 | 0.001 | 4.182 | 27.526 | 0.000 |
Control | 77.95 | 19.845 | 3.138 | ||||||
WCST-total correct | Patients | 73.75 | 8.690 | 1.095 | 0.044 | 0.835 | 0.445 | 0.771 | 0.658 |
Control | 72.97 | 8.402 | 1.328 | ||||||
WCST-total errors | Patients | 22.11 | 12.988 | 1.636 | 4.439 | 0.038 | 1.476 | 3.236 | 0.143 |
Control | 18.88 | 9.235 | 1.460 | ||||||
WCST-preservative errors | Patients | 11.40 | 7.934 | 1.000 | 3.983 | 0.049 | 1.248 | 1.772 | 0.215 |
Control | 9.63 | 5.256 | 0.831 | ||||||
WCST-conceptual levels | Patients | 66.62 | 6.015 | 0.758 | 0.065 | 0.799 | −0.066 | −0.081 | 0.948 |
Control | 66.70 | 6.227 | 0.985 | ||||||
WCST-categories completed | Patients | 5.90 | 0.296 | 0.037 | 20.630 | 0.000 | 2.555 | −0.095 | 0.013 |
Control | 6.00 | 0.000 | 0.000 |