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Table 1 Torque values ± SD* in Newton-meters of ankle evertors and dorsiflexors of all groups (n = number of subjects tested) for both centers.

From: The use of muscle strength assessed with handheld dynamometers as a non-invasive biological marker in myotonic dystrophy type 1 patients: a multicenter study

 

DM1 - Group 1

(Quebec n = 11)

(Lyon n = 11)

DM1 - Group 2

(Quebec n = 6)

(Lyon n = 6)

DM1 - Group 3

(Quebec n = 5)

(Lyon n = 7)

Control

(Quebec n = 7)

(Lyon n = 9)

Dorsiflexion

right

left

right

left

right

left

right

left

Quebec

12.8 ± 3.7

12.7 ± 4.9

6.9 ± 2.4

6.3 ± 1.9

3.2 ± 1.1

3.2 ± 1.5

25.8 ± 6.0

24.6 ± 4.6

Lyon

9.4 ± 3.8

9.2 ± 2.8

5.3 ± 2.2

6.2 ± 3.7

2.7 ± 1.5

3.8 ± 1.4

26.8 ± 5.8

26.3 ± 6.2

Eversion

        

Quebec

12.3 ± 3.8

12.5 ± 5.3

6.0 ± 2.2

6.0 ± 1.7

5.0 ± 2.5

3.8 ± 2.9

19.6 ± 5.1

18.5 ± 3.9

Lyon

8.9 ± 3.2

8.0 ± 3.2

5.2 ± 1.8

4.7 ± 1.5

2.1 ± 2.2

1.8 ± 1.5

18.1 ± 5.0

17.9 ± 4.2

  1. The differences between the three DM1 groups as well as between the DM1 patients and the controls were all statistically significant (p < 0,001). However, when comparing the data between Lyon and Quebec, no statistical differences between sites for each group were observed (p > 0.05).
  2. * Standard Deviation