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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)

From: Weight loss, dysphagia and supplement intake in patients with amyotrophic lateral sclerosis (ALS): impact on quality of life and therapeutic options

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
  1. Multiple regression analysis of the SF36 subscale “vitality” and weight loss (A and B) respectively the SF36 subscale “social functioning” and supplement intake (C) taking into account the influence of the ALSFRS_R score/respiratory distress. The calculations showed an independent significant influence of both weight loss/supplement intake and ALSFRS_R score/respiratory distress on “vitality” respectively “social functioning”: Patients with weight loss and lower ALSFRS_R showed worse results regarding “vitality” (A and B) and patients with supplement intake and higher ALSFRS_R showed better results regarding “social functioning” (C).