ArticleJB & JS open access
The Effect of Bearing Surface On the Survival of Cementless and Hybrid Total Hip Arthroplasty: An Analysis of Linked National Joint Registry and Hospital Episode Statistics Data.
Article in JB & JS open access. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Crosslinked polyethylene-based bearings have led to marked improvements in total hip arthroplasty (THA) survival. Antioxidant highly crosslinked polyethylene bearings are the latest addition to the bearing options. Previous reports were limited by low numbers and short follow-up in this category therefore limiting comparisons. Methods: We combined the UK National Joint Registry data set with polyethylene manufacturing characteristics to classify polyethylene as crosslinked (XLPE) or conventional polyethylene. The Hospital Episode Statistics data set was used to link ipsilateral surgical procedures for the treatment of periprosthetic hip fractures. The effect of bearing surface on THA survival was analyzed through estimating cause-specific cumulative incidence functions to allow for competing risks. This was followed by regression analysis that fitted a Fine-Gray proportional subdistribution hazards model for reoperation. Results: A total of 696,013 THAs and 17,468 reoperations were included in this analysis. Average follow-up time was estimated to be between 4.83 and 9.64 years depending on the bearing combination while the maximum follow-up was 19.1 years across all bearings. The estimated cause-specific cumulative incidence functions allowing for competing risks revealed that Ceramicised Metal on XLPE (CMoXLPE) and Ceramic on Antioxidant XLPE (CoAoXLPE) had the lowest probability of reoperation by the end of the follow-up period. The regression analysis (all ages) with Metal on Polythelene (MoP) as the reference bearing adjusted for age, sex, and stem fixation showed CMoXLPE to be associated with the lowest risk of revision for any reason (HR = 0.64, 95% CI = 0.58-0.72) followed by CoAoXLPE XLPE (HR 0.65, 95% CI = 0.57-0.74). Conclusion: This analysis, which includes fixations as well as revisions in defining reoperation for periprosthetic fracture, covers a longer follow-up period compared with earlier reports. Regression analysis in a model including all ages, all bearings, with MoP as the reference revealed the lowest risk of revision for any reason in THAs using CMoXLPE and CoAoXLPE. Level of Evidence: Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.