Table 3 Montreal cognitive assessment in MS and control

 Trail making (executive)

0.68 ± 0.47

1.00 ± 0.00

< 0.001

 Cube (visuoconstructional)

0.8 ± 0.40

0.84 ± 0.37

0.680

 Clock (visuoconstructional)

2.68 ± 0.65

2.88 ± 0.33

0.083

Naming

2.40 ± 0.70

2.67 ± 0.44

0.008

 Digit span (sustained attention)

1.72 ± 0.50

2.00 ± 0.00

< 0.001

 Vigilance (concentration)

1.04 ± 0.28

1.00 ± 0.00

0.322

 Serial 7s (working memory)

1.80 ± 1.03

2.64 ± 0.57

< 0.001

 Repetition

0.96 ± 0.20

1.00 ± 0.00

0.159

 Fluency

0.50 ± 0.51

1.00 ± 0.00

< 0.001

Abstraction (similarities)

1.40 ± 0.67

1.56 ± 0.51

0.296

Delayed recall (episodic memory)

2.28 ± 1.62

4.16 ± 0.90

< 0.001

Orientation

5.62 ± 0.73

5.92 ± 0.28

0.012