Table 4 Pelvic parameters in all patients and between the two groups

 Preoperation (°)

38 ± 12.45 (16–64)

40.34 ± 10.65 (19.2–58.8)

39.43 ± 11.24 (16–64)

0.786

 Postoperation (°)

43.25 ± 8.86 (21.7–62)

38.41 ± 11.92 (16.3–60)

40.29 ± 11.01 (16.3–62)

0.459

 Last follow-up (°)

40.05 ± 8.87 (19.3–53.4)

39.88 ± 11.85 (15.2–64.3)

39.95 ± 10.71 (15.2–64.3)

0.476

 Preoperation (°)

5.83 ± 11.71 (− 18–11.7)

− 9.2 ± 46.4 (8.86–11.31)

7.68 ± 11.46 (− 18–46.4)

0.786

 Postoperation (°)

9.36 ± 9.26 (−10.3–28.3)

7.03 ± 13.02 (−10.3–28.3)

7.94 ± 11.67 (−22.6–28.3)

0.459

 Last follow-up (°)

4.43 ± 11.2 (− 13.5–37)

6.37 ± 9.56 (− 15–30.5)

5.62 ± 10.1(− 15–37)

0.476

 Preoperation (°)

32.17 ± 9.26 (12.7–46.1)

32.79 ± 5.64 (20–42.6)

32.54 ± 7.2 (12.7–46.1)

0.750

 Postoperation (°)

33.89 ± 6.37 (18–48)

31.37 ± 8.81 (10–46.4)

32.35 ± 7.99 (10–48)

0.24

 Last follow-up (°)

35.62 ± 7.29 (12.4–47.2)

33.51 ± 7.82 (18.2–50)

34.33 ± 7.62 (12.4–50)

0.302

 Preoperation (mm)

23.09 ± 19.35 (0–60.61)

34.99 ± 26.39 (0–103.26)

30.35 ± 24.42 (0–103.26)

0.09

 Postoperation (mm)

34.26 ± 26.54 (4.67–95.29)

31.61 ± 23.62 (4.15–107.91)

30.35 ± 24.42 (4.15–107.91)

0.926

 Last follow-up (mm)

35.72 ± 23.11 (4.19–91.09)

35.69 ± 28.97 (0–109.21)

35.70 ± 26.63 (0–109.21)

0.997

 Preoperation (mm)

19.27 ± 18.49 (4.09–73.76)

34.8 ± 27.7 (0–102.76)

28.75 ± 25.52 (0–102.76)

0.019

 Postoperation (mm)

27.29 ± 26.06 (4.09–73.76)

24.84 ± 18.51 (2.92±73.32)

25.8 ± 21.58 (2.05–111.87)

0.804

 Last follow-up (mm)

23.38 ± 17.36 (4.53–66.01)

20.91 ± 15.87 (0–72.76)

21.88 ± 16.37 (0–72.76)

0.577