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Table 2 Characteristic of AOC associated parameters according to STSL and SSN types

From: New parameters describing morphological variations in the suprascapular notch region as potential predictors of suprascapular nerve entrapment

Parameters of area reduction

STSL

SSN type

Fan-type

Band-type

IA

IB

IC

II

IIIA

IIIB

IIIC

IV

V

Number

56

44

2

1

2

11

6

13

59

3

3

amSSN [mm]

Mean

31.5

28.2

34.1

47

35.1

28.65

30.18

33.05

29.19

36.5

19.23

SD

5.95

5.65

4.1

-

0.85

5.64

5.42

7.7

4.89

1.8

7.64

p

0.0061

0.0028

AOCSTSL [%]

Mean

55.5

58.3

59.7

60.4

59.2

55.3

61.1

52.2

56.7

67.1

64.5

SD

7.9

11.9

21.4

-

2.2

10.8

10.4

8.7

10.1

1.6

1.7

p

0.1797

0.0746

AOCACSL [%]*

Mean

4.4

4.6

7.5

6.4

8.6

8.6

8.3

5.2

3.4

-

-

SD

7.7

5.9

6.3

-

4.2

7.1

10.9

5.5

6.8

-

-

p

0.8707

0.1491

AOC [%]

Mean

59.9

62.9

67.3

66.8

67.8

63.9

69.5

57.4

60.1

67.1

64.5

SD

11.6

12.6

27.7

-

2.0

13.9

18.2

11.1

11.8

1.6

1.7

p

0.2331

0.0059

  1. *When ACSL present.
  2. No differences in post-hoc test.