Table 1 Comparison of basic data between the two groups

Age (years)

68.3 ± 7.0(49 ~ 81)

67.7 ± 7.9(50 ~ 83)

Gender (female/male)

28/26

30/36

BMI(kg/m²)

26.1 ± 3.0 (19.00 ~ 32.00)

26.0 ± 2.5 (20.74 ~ 31.99)

Initial replacement to repair time (months)

11.5 ± 4.8 (1 ~ 21)

10.9 ± 6.6 (0.08 ~ 25)

reasons for revision(n)

Aseptic loosening

49

57

Periprosthetic fractures

3

3

Dislocation

2

6

Paprosky femoral defect (n)

I

10

12

II

27

36

IIIA

16

15

IIIB

1

3

ASA classification(n)

I

5

6

II

41

48

III

8

12

Combined acetabular revision(n)

47

63

VAS score (score)

7.6 ± 1.3 (6 ~ 10)

7.5 ± 1.1 (6 ~ 10)

Harris score (score)

41.1 ± 6.1 (29 ~ 52)

40.1 ± 6.6 (27 ~ 52)