Influence of Pelvic Tilt on Polyethylene Wear after Total Hip Arthroplasty

Table 2

Pearson’s correlation coefficients between polyethylene wear rate and factors of pelvic tilt angle (PTA) and the angle of inclination and anteversion of the cup.

Parameter	Position	CPE group		HXLPE group
		PTA	Supine	0.24	0.11	0.21	0.06
Standing	0.34		0.02	0.1	0.36
Cup inclination	Supine	0.39	<0.01	0.27	0.16
	Standing	0.43	<0.01	0.07	0.53
Cup anteversion	Supine	0.23	0.02	0.18	0.1
	Standing	0.37	0.02	0.09	0.93
ΔPTA		0.29	0.06	0.18	0.38