Table 2 Discriminant validity of hip parameters

Thomas test (°)

7.4 (6.8)

0.6 (1.9)

<0.001

0.561

Pelvic tilt (°)

   maximum

21.9 (4.9)

12.1 (4.8)

<0.001

0.710

   minimum

12.6 (5.9)

6.9 (3.9)

0.008

0.497

   range

9.4 (3.5)

5.2 (2.5)

0.002

0.562

   mean

17.5 (5.1)

9.5 (4.1)

<0.001

0.654

Max hip extension in stance (°)

-0.5 (6.1)

11.1 (4.2)

<0.001

0.743

Max hip flexion in late swing (°)

50.4 (5.9)

38.2 (5.5)

<0.001

0.728

Hip rotation (°)

   maximum

12.8 (8.2)

12.8 (9.9)

0.997

0.005

   minimum

0.2 (9.2)

-11.8 (13.2)

0.005

0.467

   range

12.6 (4.1)

24.7 (11.5)

0.009

0.573

   mean

6.3 (8.9)

0.1 (10.0)

0.086

0.308

Psoas length (%)

   maximum

99.2 (1.3)

101.5 (0.8)

<0.001

0.740

   minimum

87.5 (1.4)

90.4 (1.7)

<0.001

0.684

   range

11.7 (1.5)

11.1 (1.2)

0.126

0.212

   mean

93.6 (1.3)

96.0 (1.3)

<0.001

0.676

TOC (%)

28.2 (11.5)

27.0 (8.6)

0.767

0.059

H3 (W/kg)

0.3 (0.4)

0.3 (0.4)

0.920

0.020

HFI

5.9 (1.4)

1.9 (1.7)

<0.001

0.792