Variable

Healthy subjects

ALS

T

P

Number of fibres

703.50

466.6

1.48414

0.16

Mean longitude

67.95

66.4

0.33832

0.74

Diameter

24.49

21.3

0.98534

0.34

Irregularity

15.71

15.0

0.21240

0.83

FA

0.39

0.4

0.01145

0.99

MD

0.90

1.0

-2.42499

0.03^*

AD

1.28

1.4

-2.14382

0.05

RD

0.8

0.71

-2.23692

0.04^*