Table 1 Patient characteristics according to treatment group

Number of patients (male / female)

20 (11 / 9)

27 (16 / 11)

1.000

Age at surgery (mean ± sd years)

52\(\pm\)14

58\(\pm\)13

0.140

BMI at surgery (mean ± sd kg/m²)

26\(\pm\)4

26\(\pm\)5

0.864

Right / left affected ratio (%)

9 / 11 (45 / 55)

13 / 14 (48 / 52)

1.000

Follow-up length (mean ± sd months)

22 ± 5

19 ± 4

0.129

Neer classification (%)

    2-part

6 (30)

12 (44)

0.374

    3-part

10 (50)

9 (33)

0.368

    4-part

4 (20)

6 (22)

1.000

AO classification^a (%)

    11.A2

2 (10)

0 (0)

0.176

    11.A3

3 (15)

9 (33)

0.191

    11.B1

3 (15)

3 (11)

1.000

    11.B3

1 (5)

1 (4)

1.000

    11.C1

6 (30)

1 (4)

0.032

    11.C2

4 (15)

9 (33)

0.348

    11.C3

1 (5)

3 (11)

0.626

Duration of surgery^b (mean ± sd min)

165\(\pm\)35

187\(\pm\)69

0.270

Additional ipsilateral injury

    other fracture

2

1

0.567

    neurological

2^c

0

1.000

    vascular

0

0

1.000

    pulmonary

2

1

0.567