Journal
BONE & JOINT JOURNAL
Volume 100B, Issue 5, Pages 624-633Publisher
BRITISH EDITORIAL SOC BONE & JOINT SURGERY
DOI: 10.1302/0301-620X.100B5.BJJ-2017-1329.R2
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Funding
- National Institute for Health Research Health Technology Assessment (HTA) Programme [11/136/04]
- National Institute for Health Research (NIHR) Collaboration for Leadership in Applied Health Research and Care Oxford at Oxford Health NHS Foundation Trust
- NIHR Biomedical Research Centre, Oxford
- MRC [G0501681, G0700452] Funding Source: UKRI
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Aim The aim of this study was to compare the cost-effectiveness of intramedullary nail fixation and 'locking' plate fixation in the treatment of extra-articular fractures of the distal tibia. Patients and Methods An economic evaluation was conducted from the perspective of the United Kingdom National Health Service (NHS) and personal social services (PSS), based on evidence from the Fixation of Distal Tibia Fractures (UK FixDT) multicentre parallel trial. Data from 321 patients were available for analysis. Costs were collected prospectively over the 12-month follow-up period using trial case report forms and participant-completed questionnaires. Cost-effectiveness was reported in terms of incremental cost per quality adjusted life year (QALY) gained, and net monetary benefit. Sensitivity analyses were conducted to test the robustness of cost-effectiveness estimates. Results Mean NHS and PSS costs were significantly lower for patients treated with an intramedullary nail than for those treated with a locking plate (-970 pound, 95% confidence interval (CI) -1685 to -256; p = 0.05). There was a small increase in QALYs gained in the nail fixation group (0.01, 95% CI -0.03 to 0.06; p = 0.52). The probability of cost-effectiveness for nail fixation exceeded 90% at cost-effectiveness thresholds as low as 15 pound 000 per additional QALY. The cost-effectiveness results remained robust to several sensitivity analyses. Conclusion This trial-based economic evaluation suggests that nail fixation is a cost-effective alternative to locking plate fixation.
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