| Study | Design | HXLPE | Head | Follow-Up | Conclusions |
|---|---|---|---|---|---|
| Bragdon et al.J Arthrop 2007(EFORT ‘09) | Non-consecutive, non-randomized30 hips | Longevity 100 kGy, remelted | 28mmCrCo (16 hips)vs36mmCrCo(14 hips) | 3 yearsEFORT 09:7-10yr | No diff 3D between28 and 36mm |
| Röhrl et al.Acta Orthop 2007 | Retrospective, comparative56 hips/53 | Crossfire105 KGy, annealed | 28 mm CrCo | XLPE 6 yr, Std 5 yr | No wear rate progression at 6yr re oxidation |
| Digas et al.Acta Orthop 2007 (cem) | Prospective, randomized56 hips | Durasul95 kGy, remelted | 28 mm CrCo | 5 years | 0.001 vs0.06mm/yr (3D) (98% decrease) |
| Digas et al.Acta Orthop 2007 (hybr) | Prospective, randomized contralat control32 hips/32 | Longevity100 KGy, remelted | 28 mm CrCo | 5 years | 0.00 vs0.057mm/yr(3D)(99-100% decrease) |
| Glyn-Jones et al.J Arthrop 2008 | Prospective, doub-blind, rand, controlled26 hips/25 | Longevity100 KGy, remelted | 28 mm CrCo | 2 years | 0.06 mm/yr vs0.10 (3D)(40% decrease) |