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Table 6 Potential factors influencing torsional side differences (∆SHT)

From: Humeral torsional side differences after nonoperative treatment of proximal humerus fractures and humeral shaft fractures: clinical and ultrasonographic assessment

Factors

Mean ∆SHT in ° ± SD

p value

Gender

Male (n = 22)

7.4 ± 7.3

0.22

Female (n = 43)

10.7 ± 11

Fracture type

PHF (n = 47)

10.4 ± 10.6

0.46

HSF (n = 18)

7.7 ± 8.1

Neer classification

I (n = 38)

10.7 ± 10.9

0.73

III (n = 8)

9.3 ± 10

IV (n = 1)

4.2

Abbreviated AO/OTA classification

A (n = 13)

7.5 ± 9.3

0.36

B (n = 3)

6.3 ± 2.7

C (n = 2)

10.8 ± 5.2

Fracture displaced

Yes (n = 23)

8.3 ± 8.9

0.37

No (n = 42)

10.4 ± 10.6

Shaft fracture localization (third)

Proximal (n = 10)

9.4 ± 10.2

0.35

Middle (n = 6)

4.2 ± 3.2

Distal (n = 2)

9.4 ± 4.4

Dominant side involved

Yes (n = 27)

12 ± 10.5

0.026

No (n = 38)

7.9 ± 9.4

  1. Bold values indicate significance