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***