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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 1 Study population

From: Correct positioning of the calcar screw leads to superior results in proximal humerus fractures treated with carbon-fibre-reinforced polyetheretherketone plate osteosynthesis with polyaxial locking screws

 

Group I (< 12 mm), n = 32

Group II (≥ 12 mm), n = 19

p value

Follow-up (months)

26.6 ± 12.0

26.6 ± 12.1

No sign.*

Age (years)

67.6 ± 12.4

70.3 ± 9.1

No sign.*

Gender

 Female

88% (n = 28)

53% (n = 10)

p = 0.006**

 Male

13% (= 4)

47% (n = 9)

BMI (kg/m2)

24.7 ± 3.6

27.0 ± 4.3

No sign.*

 Smoking

6% (= 2)

11% (n = 9)

No sign.**

 Diabetes type II

13% (= 4)

0% (n = 0)

No sign.**

 Calcar screw distance (mm)

7.7 ± 2.8

14.9 ± 2.1

p < 0.001*

Plate

 3-Hole

97% (n = 31)

89% (n = 17)

No sign.**

 5-Hole

3% (n = 1)

11% (n = 2)

 Extra screw for lesser tuberosity

34% (n = 11)

37% (n = 7)

No sign.**

Therapy for the LBT

 Tenodesis

6% (n = 2)

21% (n = 4)

No sign**

 Tenotomy

22% (= 7)

16% (n = 3)

Postoperative treatment

 Functional

69% (n = 22

58% (n = 11)

No sign.**

 Restrictive

31% (n = 10)

42% (n = 8)

  1. Mean values, percentaged and significant p values were highlighted in bold
  2. n number, BMI body mass index, LBT long head of the biceps tendon, No sign. No significant difference, *Wilcoxon–Mann–Whitney test, **Pearson’s chi-squared test, p < 0.05