Table 3.
Comparison of the Wisconsin Card Sorting Test (WCST) between the two groups before and after treatment
| Group | Categories Completed (CC) | Total Errors (TE) | Perseverative Errors (PE) | Nonperseverative Error (NRPE) | ||||
|---|---|---|---|---|---|---|---|---|
| Before | After | Before | After | Before | After | Before | After | |
| MNS group (n = 30) | 2.9 ± 0.5 | 5.8 ± 0.8 | 80 ± 1 | 61 ± 1 | 44 ± 1 | 30 ± 1 | 36 ± 2 | 31 ± 1 |
| Control group (n = 30) | 3.0 ± 0.9 | 4.6 ± 0.8 | 80 ± 1 | 76 ± 1 | 44 ± 1 | 38 ± 1 | 36 ± 2 | 38 ± 1 |
| p value | .458 | .000 | .523 | .000 | .166 | .000 | .683 | .000 |
| T value | −0.748 | 5.691 | −0.642 | −58.325 | 1.403 | −30.789 | 1.440 | 22.031 |
| 95% confidence interval | 2.900 ± 0.548 | 5.767 ± 0.817 | 80.033 ± 1.189 | 61.200 ± 1.064 | 44.367 ± 1.402 | 29.733 ± 1.258 | 35.673 ± 1.953 | 31.472 ± 1.279 |
The two groups were compared using unpaired t tests.