Table 3 Comparison of hip joint functions between two groups

 Preoperative

40.1 ± 7.7

39.5 ± 8.2

0.986

 2 weeks postoperatively

80.2 ± 10.3

73.7 ± 12.3

0.003

 8 weeks postoperatively

91.3 ± 12.7

89.2 ± 13.5

0.636

 P

 Preoperative

43.7 ± 7.4

40.7 ± 13.4

0.043

 2 weeks postoperatively

30.4 ± 9.3

37.2 ± 10.2

< 0.001

 8 weeks postoperatively

25.3 ± 8.2

27.5 ± 9.7

0.562

 P

 Preoperative

49.7 ± 10.7

44.3 ± 14.9

0.131

 2 weeks postoperatively

30.7 ± 12.2

37.6 ± 16.2

0.031

 8 weeks postoperatively

21.3 ± 16.9

23.9 ± 18.7

0.706

 P

 Preoperative

3.32 ± 1.73

3.26 ± 1.42

0.999

 24 h postoperatively

2.21 ± 1.35

2.9 ± 1.21

0.001

 48 h postoperatively

1.62 ± 0.87

1.95 ± 0.73

0.352

 3 days postoperatively

0.92 ± 0.61

1.42 ± 0.64

0.043

 7 days postoperatively

0.45 ± 0.48

0.96 ± 0.59

0.037

 P