All

patients

Group I

(n = 20)

Group II

(n = 20)

Group III

(n = 20)

F/χ²#

P value

Occipital

28 (46.7%)

2 (10%)

16 (80%)

10 (50%)

19.821

<0.001*

Medial temporal

9 (15%)

0 (0%)

4 (20%)

5 (25%)

6.490

0.044*

Cerebellum

15 (25%)

2 (10%)

1 (5%)

12 (60%)

19.733

<0.001*

Thalamic

7 (11.7%)

0 (0%)

0 (0%)

7 (35%)

15.849

<0.001*

Midbrain

3 (5%)

1 (5%)

0 (0%)

2 (10%)

2.105

0.349

Pons

25 (41.7%)

15 (75%)

3 (15%)

7 (35%)

15.360

<0.001*

Medulla oblongata

2 (3.3%)

0 (0.0%)

0 (0.0%)

2 (10%)

4.138

0.126