Table 1 The comprision of demographics and clinical results of the patients in the two groups

Female (n)

10

9

ns

Unilateral/bilateral hip dislocation (n)

11/2

10/1

ns

Age (range, year)

43.8 (29–54)

42.8 (28–52)

0.76

Body mass index (range, kg/m²)

24.6 (17.2–29.5)

22.8 (17.4–28.7)

0.25

LLD befor operation (range, cm)

5.7 (4.1–7.3)

5.4 (3.9–6.6)

0.46

LLD after operation (range, cm)

0.7 (0.1–1.5)

0.8 (0.3–1.6)

0.56

The time of operation (range, min)

115.1 (92–132)

121.7 (95–146)

0.17

Harris hip scores (range, points)

 Baseline

36.0 (20–53)

36.6 (27–56)

0.86

 1 month

56.9 (47–64)

54.6 (40–67)

0.48

 3 month

70.4 (60–80)

68.4 (51–82)

0.54

 6 month

82.4 (71–90)

78.4 (60–88)

0.17

 12 month

86.4 (75–93)

82.3 (63–93)

0.17

The final follow-up

88.1 (80–93)

84.3 (63–95)

0.16