Table 1 Patient demographics

Sample size (n)

87

174

NA

Age (mean + SD, years)

71.4 ± 9.7

72.6 ± 8.6

0.309

Gender (F/M)

67/20

131/43

0.759

Body mass index (kg/m²)

25.6 ± 3.7

24.8 ± 4.9

0.180

Side (left/right)

39/48

80/94

0.860

Smoking status

4

3

0.176

Detail of trauma, No.

At home

58

119

While walking

26

54

Traffic accident

3

1

AO classification (n)

0.237

A 2.1

32

60

A 2.2

25

59

A 2.3

15

27

A 3.1

5

10

A 3.2

4

11

A 3.3

6

7

ASA score (n)

0.168

1

13

25

2

29

59

3

37

70

4

8

20

Preoperative HHS (mean ± SD)

55.3 ± 8.6

56.7 ± 7.8

0.187

Preoperative NAHS (mean ± SD)

53.6 ± 7.8

55.2 ± 8.1

0.128