| Cases | Control | t test | |
Mean ± SD | Mean ± SD | t | P value | |
WCST |
| |||
Correct responses | 75.08 ± 4.792 | 82.40 ± 2.865 | 4.891 | <0.001*** |
Total errors | 26.92 ± 4.793 | 16.60 ± 2.864 | 4.890 | <0.001*** |
Perservative responses | 29.31 ± 4.797 | 28.25 ± 3.650 | 1.116 | 0.268 |
Non-perservative errors | 13.05 ± 7.561 | 7.73 ± 2.857 | 2.349 | <0.001*** |
Trails to complete 1st cat | 16.10 ± 6.384 | 16.68 ± 6.158 | 0.410 | 0.683 |
Failure to maintain set | 0.93 ± 0.917 | 1.03 ± 0.920 | 0.487 | 0.628 |
TOL |
| |||
Mean total time | 44.20 ± 16.048 | 26.15 ± 13.089 | 5.513 | <0.001*** |
Mean number of extra movies | 258.29 ± 108.179 | 161.17 ± 71.702 | 4.733 | <0.001*** |
CPT |
| |||
Target accuracy rate | 0.96 ± 0.027 | 0.97 ± 0.017 | 1.561 | 0.123 |
Foil accuracy rate | 0.43 ± 0.131 | 0.44 ± 0.131 | 0.308 | 0.759 |
Commission Error | 20.55 ± 5.857 | 17.28 ± 3.782 | 3.821 | <0.001*** |
Omission Error | 11.83 ± 8.753 | 7.38 ± 5.362 | 2.510 | 0.009** |
Correct response time mean | 426.02 ± 54.562 | 387.37 ± 48.190 | 3.359 | 0.001*** |
Correct response time standard deviation | 177.45 ± 62.846 | 141.28 ± 57.217 | 2.691 | 0.009** |
Error response time mean | 530.24 ± 126.958 | 433.30 ± 86.147 | 3.996 | <0.001*** |
Error response time standard deviation | 417.95 ± 244.937 | 317.07 ± 202.376 | 3.136 | <0.001*** |
Working memory |
| |||
Verbal: Digit backward test | 2.700 ± 0.799 | 3.597 ± 0.716 | 4.435 | <0.001 *** |
Visuo-spatial part |
| |||
The Corsi block-tapping test | 4.30 ± 0.597 | 4.91 ± 0.530 | 4.854 | <0.001*** |