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Table 2 Morphological parameters and amount of femoral head translation during weight-bearing in all participants

From: Femoral head translation in borderline and definite dysplastic hips during weight-bearing: 2D/3D image registration analysis

participant

Age

CE angle (°)

ARO (°)

AHI (%)

Sharp angle (°)

VCA angle (°)

Breakdown in Shenton’s line

FEAR index(°)

Cliff sign

AASA (°)

PASA (°)

X (mm)

Y (mm)

Z (mm)

3D translation (mm)

1

32

-10

42

42

58

-14

 + 

8

 + 

22

99

-0.6

1.6

0.9

1.9

2

18

-6

43

40

57

-3

 + 

17

 + 

40

84

0.3

0.3

1.6

1.7

3

48

-5

36

44

55

-1

 + 

21

 + 

33

91

0.3

-1.2

0.8

1.5

4

39

0

30

50

54

8

-

9

 + 

37

92

0.7

0.3

-0.4

0.9

5

32

4

33

56

51

1

 + 

13

 + 

36

95

-0.4

0.7

0.1

0.8

6

40

5

37

48

57

2

 + 

12

 + 

36

90

1.0

0.9

-0.4

1.4

7

18

12

18

63

48

6

-

8

 + 

43

82

0.2

0.3

-0.6

0.8

8

21

14

18

64

54

19

-

8

 + 

54

92

-0.5

0.1

-0.2

0.5

9

42

14

24

65

53

17

-

21

 + 

47

91

0.5

1.0

0.4

1.2

10

22

19

15

69

46

30

-

0

 + 

50

96

1.3

-1.2

1.3

2.2

11

17

21

18

73

47

3

-

-4

-

41

95

1.3

1.2

1.5

2.3

12

19

22

2

72

46

42

-

-5

 + 

39

106

0.2

1.9

-0.8

2.1

13

39

23

11

78

43

36

-

-26

 + 

45

86

-0.9

1.2

1.7

2.2

  1. CE angle center edge angle, ARO acetabular roof obliquity, AHI acetabular-head index, VCA angle vertical-center-anterior angle, FEAR index femoro-epiphyseal acetabular roof index, AASA anterior acetabular sector angle, PASA posterior acetabular sector angle