Table 1 Comparison of the clinical and demographic features between the two groups

Age^a, years

53,5 ± 4,9

52,8 ± 5,0

0,757

BMI^a, kg/m²

26,8 ± 1,2

25,7 ± 1,4

0,791

Bone union time^a, week

9,5 ± 1,2

10,1 ± 1,2

0,368

n

%

n

%

Sex^b

Female

31

88,6

31

79,5

0,355

Male

4

11,4

8

20,5

Operation side^b

Right

28

80,0

29

74,4

0,593

Left

7

20,0

10

25,6

Degree of knee osteoarthritis^b

2

10

28,6

12

30,8

1,000

3

25

71,4

27

69,2