Table 2 Intra-rater reliability of 3D %fat and volume in medial to lateral (tertile) regions patients (N = 13) with rotator cuff pathology

Supraspinatus (whole)

0.974

0.915, 0.992

11.69

1.10

1.56

0.958

0.869, 0.987

29.6

2.9

4.1

 Lateral Region

0.935

0.794, 0.980

10.38

1.20

1.70

0.689

−0.036, 0.906

8.1

1.9

2.7

 Intermediate Region

0.980

0.936, 0.994

11.65

1.08

1.53

0.967

0.890, 0.990

11.4

1.0

1.4

 Medial Region

0.975

0.918, 0.992

13.03

1.49

2.11

0.996

0.988, 0.999

10.1

0.4

0.6

Infra/Teres (whole)

0.989

0.966, 0.997

10.51

0.68

0.96

0.979

0.929, 0.994

65.7

3.5

5.0

 Lateral Region

0.968

0.897, 0.990

10.54

1.12

1.58

0.935

0.789, 0.980

19.1

1.7

2.4

 Intermediate Region

0.977

0.927, 0.993

10.76

1.00

1.42

0.976

0.924, 0.993

23.0

1.2

1.8

 Medial Region

0.957

0.865, 0.987

10.22

1.41

1.99

0.978

0.920, 0.993

23.6

1.8

2.5

Subscapularis (whole)

0.996

0.986, 0.999

13.12

0.47

0.67

0.910

0.701, 0.973

78.2

8.1

11.4

 Lateral Region

0.984

0.945, 0.995

13.73

0.97

1.38

0.879

0.595, 0.963

20.5

3.2

4.6

 Intermediate Region

0.996

0.987, 0.999

13.14

0.48

0.68

0.983

0.945, 0.995

31.6

1.5

2.1

 Medial Region

0.995

0.984, 0.999

13.04

0.56

0.79

0.956

0.797, 0.988

26.3

2.8

3.9