We used the Australian Orthopaedic Association National Joint Replacement Registry to obtain revision rates because it contained osteoarthritis-specific THA revision rates by age and gender, which were unavailable in other registry reports.
The number of revisions and the observed component years of individual studies were calculated to obtain the "revisions per 100 observed component years" after market introduction, which gave the weighted revision rate per 100 observed component years of all non-registry studies published after market introduction.
The principal negotiating objective of the United States regarding border taxes is to obtain a revision of the WTO rules with respect to the treatment of border adjustments for internal taxes to redress the disadvantage to countries relying primarily on direct taxes for revenue rather than indirect taxes.
The Pretoria Convention of August 1881 did not remove the grievances of the Transvaal Boers, and when a Boer deputation went to England in 1883 to obtain a revision of the terms, Robinson was summoned to London for the deliberations that led to the London Convention of February 1884.
The time interval needed to obtain reliable revision data from non-registry studies was 12 years for TKA and it was indefinite for UKA.
Poor results after revision of failed HRA, equal to those obtained after revision of THA (AOANJRR 2008), may also have contributed to more restricted use.
After successfully defending the dissertation, the student must make any necessary revisions, obtain the supervisor's approval (if required by the examiners), and submit an electronic copy of the revised dissertation by the deadline established for the academic term in which the student seeks to graduate.
In the analysis of registry data, it is often of interest to obtain estimates of revision rates and probabilities of revision adjusted for the effect of covariates.
Retrievals obtained after revision surgery, provide valuable information on the rate of wear and the causes of wear that take place in vivo.
Our objective was to evaluate the performance of retrieved mobile-bearing TKAs with respect to wear damage of the polyethylene in a series of components obtained at revision surgery.
