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Table 4 Results of five dots, TAM verbal flexibility and symbol digit modalities tests (SDMT)

From: The impacts of substance abuse and dependence on neuropsychological functions in a sample of patients from Saudi Arabia

Test

Items

Patients

mean ± SD

Control

mean ± SD

F value

P value

Five dots test

Total scorea

27.92 ± 0.63

33.81 ± 0.69

F(1,6) = 35.87

0.001

 

Unique designsa

24.63 ± 0.60

31.50 ± 0.66

F(1,4) = 54.27

0.001

 

Repetitions b

3.38 ± 0.28

2.58 ± 0.31

F(1,161) = 3.90

0.05

TAM test

Words a

34.69 ± 1.25

45.25 ± 1.38

F(1,7) = 29.11

0.001

 

Interference a

1.02 ± 0.15

0.25 ± 0.16

F(1,110) = 11.04

0.001

 

Repetitions b

0.69 ± 0.09

0.18 ± 0.10

F(1,35) = 12.90

0.001

 

Total score a

41.90 ± 1.18

51.79 ± 1.29

F(1,7) = 29.04

0.001

 

SDMT a

30.10 ± 1.43

54.42 ± 1.58

F(1,110) = 117.13

0.000

  1. a. Higher scores indicate better function.
  2. b. higher scores indicate poorer function
  3. TAM: TAM verbal flexibility test.
  4. SDMT: Symbol digit modality test