Table 4 Clinical outcomes

 HHS Score^a

53 ± 12.44

57 ± 14.91

0.0115*

 HHS Score

98 ± 4.10

98 ± 5.49

1.000

 UCLA Score

6.3 ± 1.24

7.0 ± 2.05

0.0006*

 VAS^b Pain: Regular

0.5 ± 0.90

0.2 ± 0.98

0.0050*

 VAS Pain: Worst day

2.3 ± 2.34

1.2 ± 2.17

<0.0001*

 Combined ROM^c

289 ± 49.5

291 ± 55.5

0.7376

 AIA^d

46 ± 8.03

34 ± 5.36

<0.0001*

 Met RAIL Criteria (# Hips, %)

93 (76 %)

239 (99 %)

<0.0001*

 Radiolucency (# Hips, %)

2 (1.7 %)

0 (0 %)

0.0444*

 Osteolysis (# Hips, %)

0 (0 %)

0 (0 %)

1.000