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Table 3 Results of the repeatability analysis of the image analysis technique for muscle volume measurement

From: The relationship between lower limb muscle volume and body mass in ambulant individuals with bilateral cerebral palsy

 

GMax

RF

ST

Sol

MG

Combined

Average volume (ml)

506.82

167.94

109.24

232.59

127.64

1144.23

Standard deviation (ml)

159.31

54.69

65.53

77.66

45.27

360.10

Correlation coefficient

0.999*

0.996*

0.993*

0.995*

0.968*

0.993*

ICC

0.997*

0.998*

0.995*

0.997*

0.984*

0.997*

SEM (ml)

8.73

2.45

4.63

4.25

5.73

19.72

Percentage SEM (%)

1.72

1.46

4.24

1.83

4.49

1.72

MDC (ml)

24.19

6.78

12.84

11.79

15.87

54.67

Percentage MDC (%)

4.77

4.04

11.76

5.07

12.44

4.78

  1. Average volume and standard deviation of muscle volume from assessor 1. Percentage SEM and MDC calculated as the percentage of the average muscle volume measured by assessor 1. GMax gluteus maximus, RF rectus femoris, ST semi-tendinosis, Sol soleus, MG medial gastrocnemius
  2. *Denotes p < 0.001