Vitamin E-Enhanced Liners in Primary Total Hip Arthroplasty: A Systematic Review and Meta-Analysis

Table 2

Mean femoral head penetration rate (mm/year).

Study	VE-PE	Non-VE-PE	Conclusion
Sillesen et al. [28]	0.005	0.027	No difference
Shareghi et al. [27]	0.04	0.08	No difference
Kjærgaard et al. [20]	-0.006	0.005	VE-PE better
Busch et al. [21]	0.024	0.023	No difference
Galea et al. [18]	0.02 (mental)	0.02 (ceramic)	VE-PE better
	0.00 (ceramic)	0.02 (ceramic)
Van Erp et al. [22]	0.046	0.056	VE-PE better
Rochcongar et al. [23]	0.020	0.058	VE-PE better
Rochcongar et al. [24]	0.020	0.060	VE-PE better
Scemama et al. [26]	0.008	0.133	VE-PE better