Table 1: Clinical outcomes.

Clinical Outcome Preoperative
(n = 224) 		6–12 Weeks
(n = 210) 		12 Months
(n = 211) 		24 Months
(n = 202) 		P value
HHS score 50.8 ± 12.1 87.7 ± 13.7 94.8 ± 7.0 95.3 ± 6.7 <0.001
VAS for pain - - - - -
under load 7.7 ± 1.5 1.8 ± 2.0 1.1 ± 1.7 1.0 ± 1.7 <0.001
at rest 5.4 ± 2.6 1.1 ± 1.6 0.6 ± 1.3 0.5 ± 1.3 <0.001
VAS for satisfaction 2.3 ± 2.1 9.0 ± 1.7 9.2 ± 1.5 9.4 ± 1.3 <0.001

Values reported as means ± SD. P values from two-sided exact Wilcoxon rank sum test compared to preoperative values. HHS: Harris hip score, n: number of total hip arthroplasties, VAS: visual analogue scale.