Fixed bearing for TKR provides better results for individuals aged 70 and above .
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A randomised controlled clinical trial and gait analysis of fixed- and mobile-bearing total knee replacements with a five-year follow-up
J Bone Joint Surg Br. 2012 May;94(5):648-5555 patients, scheduled to undergo total knee replacement, were randomized to receive either fixed or mobile-bearings. The results from a 5 year follow-up indicated that elderly patients (>70 years of age) with fixed bearings had better improvements in gait parameters in comparison to those with mobile bearings. These results was in fact reversed for patients less than 70 years of age, as they performed best with mobile bearings.
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