Skip to main content

Table 2 Pre-operative and the last follow-up comparison

From: Treatment of symptomatic hip dysplasia by posterolateral small incision assisted Bernese periacetabular osteotomy

Variables

Pre-operative*

The last follow-up*

Z/T-value

p-value

Tönnis grade (%)

  

− 0.816

0.414

 Grade 0

52 (80.0)

55 (84.6)

  

 Grade 1

13 (20.0)

9 (13.8)

  

 Grade 2

0 (0)

1 (1.5)

  

mHHS

72.19 ± 8.87

91.33 ± 4.42

− 23.630

0.000

VAS

5.23 ± 0.86

1.37 ± 0.94

39.502

0.000

LCE angle (°)

4.26 ± 9.17

32.47 ± 3.09

− 26.102

0.000

ACE angle (°)

0.69 ± 8.32

31.31 ± 4.73

− 32.051

0.000

AI angle (°)

26.28 ± 7.45

3.89 ± 3.04

26.601

0.000

  1. *The values are given as the mean and standard deviation
  2. mHHS modified Harris Hip Score, VAS visual analog scale, LCE later center-edge, ACE anterior center-edge, AI Acetabular index