Table 2.

Clinical evaluation results.

ROM of the hip
Flexion	Mean ± S.D.	P	Abduction	Mean ± S.D.	P
Preoperative	93.1 ± 17.3 (°)		Preoperative	23.3 ± 7.5 (°)
1 month	94.8 ± 15.8 (°)	0.113	1 month	25.7 ± 7.2 (°)	0.016
3 months	95.1 ± 15.8 (°)	0.169	3 months	25.1 ± 7.4 (°)	0.047
6 months	95.1 ± 15.2 (°)	0.200	6 months	26.2 ± 7.1 (°)	0.006
Muscle force
Flexion			Abduction
Preoperative	192.1 ± 70.4 (Nm)		Preoperative	178.7 ± 65.3 (Nm)
1 month	213.4 ± 74.6 (Nm)	0.009	1 month	158.8 ± 78.2 (Nm)	0.109
3 months	218.3 ± 74.4 (Nm)	0.008	3 months	194.5 ± 72.2 (Nm)	0.125
6 months	220.7 ± 67.5 (Nm)	<0.001	6 months	165.9 ± 80.4 (Nm)	0.358
HHS			JHEQ
Preoperative	25.2 ± 16.6		Preoperative	26.6 ± 11.3
1 month	49.6 ± 25.3	<0.001	1 month	41.6 ± 17.5	<0.001
3 months	51.6 ± 25.6	<0.001	3 months	42.0 ± 20.0	<0.001
6 months	46.8 ± 27.2	<0.001	6 months	39.4 ± 19.7	<0.001
VAS
Preoperative	75.5 ± 15.8
1 month	41.2 ± 25.3	<0.001
3 months	42.1 ± 24.7	<0.001
6 months	46.5 ± 27.9	<0.001