Table 1.

Physical function and radiological parameters before and after surgery

	Physical function			Radiological parameters
	Gait	Squat	Range of motion of affected hip	Acetabular index	Center-edge angle of Wiberg
Preoperative performance	Trendelenburg gaitFoot progression angle: 10° of external rotation/neutral (right/left)	Unavailable	Hip abduction: 70°/70° (right/left); knee flexion: 0°–140°/0°–140° (right/left); bilateral thigh–foot angle: neutral; hip internal/external rotation: 10°/30° (right) and 50°/50° (left)	24.39°	22.96°
Postoperative performance (1 follow-up)	No Trendelenburg gait	Able to squat to full depth	Only changes in hip internal/external rotation angle: 10°/80° (right) and 50°/45° (left)	15.65°	25.76°