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Table 2 Characteristics of the participants and shoulder parameters

From: Anatomy features of the shoulder joint in asymptomatic chinese Han adults

Variables

n (%)

GA (mm)

GH (mm)

AI

CSA°

LAA°

AHI (mm)

Total

103

32.88 ± 5.68

47.16 ± 4.82

0.70 ± 0.11

37.45 ± 6.00

6.32 ± 3.99

9.611.86

Sex

 Male

51 (49.5)

35.01 ± 5.51a

50.11 ± 4.02a

0.70 ± 0.10

35.75 ± 5.60

6.12 ± 3.83

9.67 ± 1.47

 Female

52 (50.5)

30.78 ± 5.06

44.28 ± 3.67

0.70 ± 0.12

38.13 ± 6.35

6.52 ± 4.16

9.55 ± 2.21

Age (years)

  < 30

4 (3.1)

34.05 ± 4.81

49.01 ± 2.78

0.69 ± 0.08

36.75 ± 2.95

4.75 ± 2.77

11.38 ± 1.33

 30–39

19 (18.4)

33.36 ± 6.87

47.5 ± 4.64

0.7 ± 0.13

39.33 ± 8.73

5.5 ± 2.27

9.57 ± 2.43

 40–49

20 (19.5)

33.96 ± 5.72

47.64 ± 5

0.71 ± 0.09

38.11 ± 5.07

7.05 ± 4.43

9.57 ± 1.8

 50–59

34 (33.0)

32.37 ± 4.67

47.26 ± 3.82

0.69 ± 0.09

36.85 ± 5.27

5.67 ± 3.58

9.66 ± 1.29

 60–69

24 (23.3)

31.07 ± 5.55

45.28 ± 5.64

0.7 ± 0.12

36.42 ± 5.12

7.92 ± 4.72

9.49 ± 2.13

  > 70

5 (4.9)

36.88 ± 4

51.06 ± 3.25

0.72 ± 0.05

37.6 ± 4.92

4.4 ± 2.87

9.05 ± 1.2

Detection dominant side

 Left

31 (30.1)

32.9 ± 4.8

47.33 ± 4.62

0.7 ± 0.09

36.81 ± 5.2

7.32 ± 5.53

9.88 ± 2.57

 Right

72 (60.9)

32.81 ± 6

47.09 ± 4.87

0.7 ± 0.11

37.72 ± 6.26

5.89 ± 2.96

9.51 ± 1.45

Bigliani type

 Flat

83 (80.6)

33.16 ± 5.53

47.37 ± 4.75

0.7 ± 0.11

37.42 ± 6.13

5.07 ± 2.29

9.73 ± 1.9

 Curved

15 (14.6)

30.6 ± 5.94

45.28 ± 4.26

0.67 ± 0.12

37.67 ± 5.65

12.33 ± 5.27

8.92 ± 1.59

 Hooked

5 (4.9)

34.5 ± 5.23

49.89 ± 5.53

0.69 ± 0.06

37.25 ± 2.95

10 ± 2.92

10.17 ± 1.57

  1. arepresent significant difference. GA Glenoid plane to the acromion, GH Glenoid plane to the lateral aspect of the humeral head, AI Acromion index, CSA Critical shoulder angle, LAA Lateral acromial angle, AHI Acromion-humeral interval