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Table 2 Comparison of clinical characteristics of German, Polish, and Swedish samples of ALS patients

From: Quality of life and depression in patients with amyotrophic lateral sclerosis – does the country of origin matter?

 

ALS Germany

ALS Poland

ALS Sweden

  
 

N

M

SD

N

M

SD

N

M

SD

p-value

post-hoc tests

disease duration (months)

137

22.91

26.34

115

26.77

11.37

51

34.61

14.14

< 0.001

SE > PL > DE

time since diagnosis (months)

137

11.04

12.40

115

11.63

7.13

51

17.82

9.00

< 0.001

SE > PL = DE

ALSFRS-R

137

34.48

34.39

115

34.87

8.09

51

33.04

6.42

0.375

 

Progression rate +

137

0.69

0.48

115

0.65

0.52

51

0.52

0.37

0.098

 
 

 N (total)

N

%

N (total)

N

%

N (total)

N

%

p-value

post-hoc tests

bulbar (vs. spinal) onset

140

40

28.6

117

27

23.1

53

13

24.5

0.589

 

PEG/RIG

140

17

12.1

116

6

5.2

53

13

24.5

0.001

SE > PL

NIV

140

50

35.7

116

7

6.0

53

13

24.5

< 0.001

SE = DE > PL

  1. Note: PEG: percutaneous endoscopic gastrostomy; RIG: radiologically inserted gastrostomy; NIV: non-invasive ventilation
  2. +Progression rate: ALSFRS points per month since onset