Table 3 Multiple regression analysis of the SF36 subscale “vitality” and weight loss (A and B) respectively the SF36 subscale “social functioning” and supplement intake (C)

A

Vitality

Regression coefficient

p-value

(SF-36 scale)

ALSFRS_R

0,416

0,013

Weight loss

−9,281

0,011

B

Vitality

Regression coefficient

p-value

(SF-36 scale)

Respiratory distress

−10.093

0,005

Weight loss

−9,457

0,008

C

Social Functioning

Regression coefficient

p-value

(SF-36 scale)

ALSFRS_R

0,628

0,010

Supplement intake

14,342

0,008