The cost-effectiveness of adding an ultrasound corticosteroid and local anaesthetic injection to advice and education for hip osteoarthritis

Jesse Kigozi, Raymond Oppong, Zoe Paskins, Kieran Bromley, Martyn Lewis, Gemma Hughes, Emily Hughes, Susie Hennings, Andrea Cherrington, Alison Hall, Melanie A Holden, Kay Stevenson, Ajit Menon, Philip Roberts, George Peat, Clare Jinks, Nadine E Foster, Christian D Mallen, Edward Roddy

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Abstract

OBJECTIVES: Evidence for the comparative cost-effectiveness of intra-articular corticosteroid injection in people with hip osteoarthritis (OA) remains unclear. This study investigated the cost-effectiveness of best current treatment (BCT) comprising advice and education plus a single ultrasound-guided intra-articular hip injection (USGI) of 40 mg triamcinolone acetonide and 4 ml 1% lidocaine hydrochloride (BCT+US-T) versus BCT alone.

METHODS: A trial-based cost-utility analysis of BCT+US-T compared with BCT was undertaken over 6 months. Patient-level cost data were obtained, and effectiveness was measured in terms of quality-adjusted life years (QALYs), allowing the calculation of cost per QALY gained from a United Kingdom (UK) National Health Service (NHS) perspective.

RESULTS: BCT+US-T was associated with lower mean NHS costs (BCT+US-T minus BCT: £-161.6, 95% CI: £-583.95 to £54.18) and small but significantly higher mean QALYs than BCT alone over 6 months (BCT+US-T minus BCT: 0.0487, 95% CI: 0.0091, 0.0886). In the base case, BCT+US-T was the most cost-effective and dominated BCT alone. Differences in total costs were driven by number of visits to NHS consultants, private physiotherapists, and chiropractors, and hip surgery, which were more common with BCT alone than BCT+US-T.

CONCLUSION: Intra-articular corticosteroid injection plus BCT (BCT+US-T) for patients with hip OA results in lower costs and better outcomes, and is highly cost-effective, compared with BCT alone.

TRIAL REGISTRATION: EudraCT: 2014-003412-37 (August 8, 2015) and registered with Current Controlled Trials: ISRCTN 50550256 (July 28, 2015).

TRIAL PROTOCOL: Full details of the trial protocol can be found in the Supplementary Appendix, available with the full text of this article at https://bmcmusculoskeletdisord.biomedcentral.com/articles/10.1186/s12891-018-2153-0#citeas.

DOI: doi.org/10.1186/s12891-018-2153-0.

Original languageEnglish
Article numberkead659
Pages (from-to)1-8
Number of pages8
JournalRheumatology (Oxford, England)
Early online date12 Dec 2023
DOIs
Publication statusE-pub ahead of print - 12 Dec 2023

Bibliographical note

© The Author(s) 2023. Published by Oxford University Press on behalf of the British Society for Rheumatology.

Keywords

  • economic evaluation
  • cost-effectiveness
  • cost–utility
  • hip osteoarthritis
  • corticosteroid injection

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