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Table 2 Measurement of anatomical and positional angles

From: The anteroposterior axis of the tibia is adjusted to approximately a right angle to the anterior pelvic plane in the standing position in patients with hip dysplasia similar to normal subjects: a cross-sectional study

 

Normal group (n = 48)

DDH group (n = 29)

FNA (deg)

17.10 ± 9.16***

28.60 ± 12.69***

CTA (deg)

7.24 ± 1.89

7.37 ± 2.09

KRA (deg)

1.98 ± 6.86***

8.88 ± 7.02***

APP-FNA (deg)

10.73 ± 8.21*

16.71 ± 10.59*

APP-CEA (deg)

− 0.62 ± 4.24**

− 5.21 ± 8.55**

APP-tibia AP axis (deg)

1.65 ± 5.58*

− 2.65 ± 7.57*

  1. Values are mean ± standard deviation
  2. AP anteroposterior, APP anterior pelvic plane, APP-CEA clinical epicondylar axis relative to the APP, APP-FNA FNA relative to the APP, CTA condylar twist angle, FNA femoral neck anteversion, KRA knee rotation angle
  3. *p < 0.05, **p < 0.01, ***p < 0.001