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Table 6 Validity of the parameters for hip flexor contracture

From: Validity of gait parameters for hip flexor contracture in patients with cerebral palsy

 

Discriminant validity (effect-size r)

Convergent validity in normal control (correlation r)

Convergent validity in CP (correlation r)

Responsiveness (effect-size r)

Maximum pelvic tilt (°)

****

***

**

**

Max hip extension in stance (°)

****

***

*****

**

HFI

****

***

***

***

Maximum psoas length (%)

****

†

†

***

  1. HFI, hip flexor index.
  2. *, 0-0.2; **, 0.2-0.4; ***, 0.4-0.6; ****, 0.6-0.8; *****, 0.8-1.0.
  3. †, convergent validity was the correlation coefficient with maximum psoas length.