The type of hospital of primary arthroplasty had no statistically significant influence on the risk of stem revision (data not shown).
Finally, in performing the same analysis but omitting gender, femoral head diameter alone did not have any statistically significant influence on early revision rate (data not shown).
The indication for primary arthroplasty (osteoarthritis or other), mean age, or the pathogen idenepsied did not appear to affect the incidence of post-revision infection rates (data not shown).
In these patients, we also found that the use of bone grafting at the index revision was associated with a higher risk of cup re-revision due to aseptic loosening (data not shown).
Other covariates including age at primary procedure, sex, and mean time to revision had no influence on revision rate between the diagnosis groups (data not shown).
The 1-year infection rates following primary UKA, primary TKA, and revision TKA remained constant from 1997 to 2003 (data not shown).
Forcing monophyly upon the robust shallow-water coral families resulted in significantly worse likelihood scores than in the absence of constraint (data not shown), implying that, large taxonomical revisions should be carried out.
The risk of revision due to infection was not influenced by the presence of an HA coating (data not shown).
Our data suggest that there was no difference in the revision rate between "insert and patella" revisions and "patella only" revisions, and both "'insert and patella" and "patella only" in the NR group had a higher revision rate than in the R group (p < 0.001 and p < 0.001, respectively; data not shown).
However, the occurrence of "other diagnosis" (including fracture, technical reasons, pain only, or implant fracture) as the cause of the index cup revision and the use of an uncemented cup in primary arthroplasty were associated with an increased risk of cup re-revision for any reason and due to aseptic loosening in the group of younger patients (data not shown).
