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Table 4 Evolution of neuropsychological tests between the first and last evaluation

From: Cognitive impairment profile in adult patients with Niemann pick type C disease

Functions

Tests

N

First test mean (SD)

Last test mean (SD)

p

Global cognitive efficiency

MMSE (/30)

10

24.4 (3.4)

23.5 (3.1)

0.168

Mattis (/140)

6

119 (5.7)

113.5 (10.3)

0.115

Executive functions

FAB (/18)

8

13.5 (2.2)

11.9 (3.1)

0.140

Wisconsin (errors)

4

4 (5)

5.5 (6.9)

0.465

Wisconsin (criteria)

4

3.4 (2.4)

3.8 (2.7)

0.655

Lexical fluency

6

7.7 (3.1)

5.3 (1.9)

0.104

Semantic fluency

6

12.7 (4.4)

11 (3.7)

0.673

Attention

Direct verbal span

5

5 (0.7)

4.4 (0.5)

0.180

Indirect verbal span

4

3 (0.8)

3.5 (0.6)

0.157

Direct visual span

3

4.7 (0.6)

4.7 (0.6)

1

Indirect visual span

3

4 (1)

4.3 (0.6)

0.317

Memory (FCSRT)

Immediate Recall (/16)

6

14 (1.3)

14.2 (1.2)

0.564

Free recall (/48)

6

20.2 (4.4)

17.8 (6.7)

0.136

Total recall (/48)

6

44.8 (4.4)

43.2 (4.4)

0.102

Delayed free recall (/16)

6

7 (3.5)

7.8 (4.1)

0.595

Delayed total recall (/16)

6

14.3 (2.9)

14.3 (4.1)

1

  1. The mean duration between two tests was 56.4 months (SD = 41.3). One patient had learning disabilities. Five patients were treated by miglustat at the first evaluation and all patients were treated by miglustat at the last evaluation
  2. FAB frontal assessment battery, FCSRT free and cued selective reminding test, MMSE mini-mental state examination, N number of available tests, SD standard deviation