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Table 1 Baseline characteristics of the enrolled population

From: Quantitative muscle strength assessment in duchenne muscular dystrophy: longitudinal study and correlation with functional measures

 

Patients N = 28

Controls N = 13

P value

 

Mean (SD) Median (range)

 

Age

8.4 (1.6) 8.5 (5.6-12.0)

9.5 (2.8) 10.5 (5.5-12.5)

0.11

NS

24.2 (8.5) 27.5 (4–34)

-

-

6MWT (m)

361.2 (98.0) 386 (42–518)

-

-

10 M (s)

6.8 (6.3) 5.1 (3–36)

-

-

GOWERS (s)

8.0 (9.5) 4.7 (1–45)

-

-

Isometric KE (N)

56 (35) 53 (10–134)

310 (151) 251 (135–628.3)

<0.01*

Isometric KF (N)

52 (20) 51 (14–93)

130 (55) 124 (60–225)

<0.01*

Isocinetic KE (N)

59 (33) 51 (15–141)

276 (128) 260 (130–546)

<0.01*

Isocinetic KF (N)

48 (20) 49 (10–100)

124 (46) 122 (59–223)

<0.01*

EE (N)

26 (14) 24 (5–56)

101 (49) 94 (25–168)

<0.01*

EF (N)

24 (10) 22 (7–46)

113 (57) 100 (55–225)

<0.01*

  1. *p values adjusted for age.
  2. Abbreviations: NS = North Star Scale; 6MWT = 6-min walking test; KE = Knee Extension; KF = Knee Flexion; EE = Elbow Extension; EF = Elbow Flexion.