Table 1.

Statistical comparison between successful and failed cases

Variable	Success	Failure	p value
Demographics
Age (years)	61.6±9.5	50.6±12.6	0.053
Height (m)	1.63±0.13	1.82±0.07	0.002
Weight (kg)	67.7±14.5	90.8±16.2	0.004
Outcomes
Livermore wear rate	0.89±0.62	1.21±0.68	0.44
Livermore annual wear rate	0.13±0.09	0.20±0.10	0.20