Observational studyBMJ open2018
Associations between preoperative Oxford hip and knee scores and costs and quality of life of patients undergoing primary total joint replacement in the NHS England: an observational study.
Observational study in BMJ open, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 1 of them a synthesis that pooled it.
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
19 citing papers in PubMed, 1 synthesis or guideline pooled it, 37 citations in OpenAlex.
- Pooled it
- Variation in patient-reported outcomes after total hip replacement across ten high-volume hospitals in Germany: results from a multicenter, prospective, longitudinal Cohort Study.The European journal of health economics : HEPAC : health economics in prevention and care · 2026Article
- Prediction of quality-of-life improvement after total hip arthroplasty : a simplified and internally validated model based on 82,526 total hip arthroplasties from the Swedish Arthroplasty Register.Bone & joint open · 2025Article
- Osteoporosis exacerbates perioperative complications in total knee arthroplasty: a 10-Year nationwide analysis.Journal of orthopaedic surgery and research · 2025Article
- No meaningful clinical differences in patient reported outcome scores for Native Hawaiian/Pacific Islanders following knee or hip arthroplasty.Archives of orthopaedic and trauma surgery · 2025Article
- Long-Term Outcomes of Primary Cemented Total Hip Arthroplasty with Acetabular Bone Graft for Protrusio Acetabuli: Minimum 10-Year Follow-Up.Journal of clinical medicine · 2024Article
- Rationing in an Era of Multiple Tight Constraints: Is Cost-Utility Analysis Still Fit for Purpose?Applied health economics and health policy · 2024Article
- Association between VTE and antibiotic prophylaxis guideline compliance and patient-reported outcomes after total hip and knee arthroplasty: an observational study.Journal of patient-reported outcomes · 2022Article
- Sonication of revised hip and knee prostheses detects occult infections, improves clinical outcomes and prevents re - revisions. A case series study.Infection prevention in practice · 2022Article
- The Oxford Knee Score is a reliable predictor of patients in a health state worse than death and awaiting total knee arthroplasty.Arthroplasty (London, England) · 2022Article
- Development and Service Evaluation of anMalaysian orthopaedic journal · 2022Article
- Using Artificial Intelligence to Revolutionise the Patient Care Pathway in Hip and Knee Arthroplasty (ARCHERY): Protocol for the Development of a Clinical Prediction Model.JMIR research protocols · 2022Article
- Is rationing of total hip arthroplasty justified? Working to optimize patient accessibility to surgery using long-term patient-reported outcome data.Bone & joint open · 2022Article
- The Relationship Between Preoperative Oxford Hip and Knee Score and Change in Health-Related Quality of Life After Total Hip and Total Knee Arthroplasty: Can It Help Inform Rationing Decisions?Arthroplasty today · 2020Article
- Psychometric Evaluation of Patient-reported Outcomes Measurement Information System Physical Function Computer Adaptive Testing in Minimally Invasive Lumbar Spine Surgery: An Analysis of Responsiveness, Coverage, Discriminant Validity, and Concurrent Validity.The Journal of the American Academy of Orthopaedic Surgeons · 2020Article
- The use of patient-reported outcome measures to guide referral for hip and knee arthroplasty.The bone & joint journal · 2020Article
- The use of patient-reported outcome measures to guide referral for hip and knee arthroplasty.The bone & joint journal · 2020Article
- Correlation between NDI, PROMIS and SF-12 in cervical spine surgery.The spine journal : official journal of the North American Spine Society · 2020Article
- CORR Insights®: What Are the MCIDs for PROMIS, NDI, and ODI Instruments Among Patients With Spinal Conditions?Clinical orthopaedics and related research · 2018Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
Abstract
objectivesTo assess how costs and quality of life (measured by EuroQoL-5 Dimensions (EQ-5D)) before and after total hip replacement (THR) and total knee replacement (TKR) vary with age, gender and preoperative Oxford hip score (OHS) and Oxford knee score (OKS).
designRegression analyses using prospectively collected data from clinical trials, cohort studies and administrative data bases.
settingUK secondary care.
participantsMen and women undergoing primary THR or TKR. The Hospital Episode Statistics data linked to patient-reported outcome measures included 602 176 patients undergoing hip or knee replacement who were followed up for up to 6 years. The Knee Arthroplasty Trial included 2217 patients undergoing TKR who were followed up for 12 years. The Clinical Outcomes in Arthroplasty Study cohort included 806 patients undergoing THR and 484 patients undergoing TKR who were observed for 1 year. OUTCOME MEASURES: EQ-5D-3L quality of life before and after surgery, costs of primary arthroplasty, costs of revision arthroplasty and the costs of hospital readmissions and ambulatory costs in the year before and up to 12 years after joint replacement.
resultsAverage postoperative utility for patients at the 5th percentile of the OHS/OKS distribution was 0.61/0.5 for THR/TKR and 0.89/0.85 for patients at the 95th percentile. The difference between postoperative and preoperative EQ-5D utility was highest for patients with preoperative OHS/OKS lower than 10. However, postoperative EQ-5D utility was higher than preoperative utility for all patients with OHS≤46 and those with OKS≤44. In contrast, costs were generally higher for patients with low preoperative OHS/OKS than those with high OHS/OKS. For example, costs of hospital readmissions within 12 months after primary THR/TKR were £740/£888 for patients at the 5th percentile compared with £314/£404 at the 95th percentile of the OHS/OKS distribution.
conclusionsOur findings suggest that costs and quality of life associated with total joint replacement vary systematically with preoperative symptoms measured by OHS/OKS.
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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.