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The use of micro-costing in economic analyses of surgical interventions: a systematic review

Author

Listed:
  • Shelley Potter

    (Bristol Centre for Surgical Research, Population Health Sciences, Bristol Medical School
    Bristol Breast Care Centre, North Bristol NHS Trust)

  • Charlotte Davies

    (Bristol Centre for Surgical Research, Population Health Sciences, Bristol Medical School)

  • Gareth Davies

    (Bristol Centre for Surgical Research, Population Health Sciences, Bristol Medical School)

  • Caoimhe Rice

    (Population Health Sciences, Bristol Medical School, University Of Bristol)

  • William Hollingworth

    (Population Health Sciences, Bristol Medical School, University Of Bristol)

Abstract

Background Compared with conventional top down costing, micro-costing may provide a more accurate method of resource-use assessment in economic analyses of surgical interventions, but little is known about its current use. The aim of this study was to systematically-review the use of micro-costing in surgery. Methods Comprehensive searches identified complete papers, published in English reporting micro-costing of surgical interventions up to and including 22nd June 2018. Studies were critically appraised using a modified version of the Consensus on Health Economic Criteria (CHEC) Checklist. Study demographics and details of resources identified; methods for measuring and valuing identified resources and any cost-drivers identified in each study were summarised. Results A total of 85 papers were identified. Included studies were mainly observational comparative studies (n = 42, 49.4%) with few conducted in the context of a randomised trial (n = 5, 5.9%). The majority of studies were single-centre (n = 66, 77.6%) and almost half (n = 40, 47.1%) collected data retrospectively. Only half (n = 46, 54.1%) self-identified as being ‘micro-costing’ studies. Rationale for the use of micro-costing was most commonly to compare procedures/techniques/processes but over a third were conducted specifically to accurately assess costs and/or identify cost-drivers. The most commonly included resources were personnel costs (n = 76, 89.4%); materials/disposables (n = 76, 89.4%) and operating-room costs (n = 62,72.9%). No single resource was included in all studies. Most studies (n = 72, 84.7%) identified key cost-drivers for their interventions. Conclusions There is lack of consistency regarding the current use of micro-costing in surgery. Standardising terminology and focusing on identifying and accurately costing key cost-drivers may improve the quality and value of micro-costing in future studies. Trial registration PROSPERO registration CRD42018099604.

Suggested Citation

  • Shelley Potter & Charlotte Davies & Gareth Davies & Caoimhe Rice & William Hollingworth, 2020. "The use of micro-costing in economic analyses of surgical interventions: a systematic review," Health Economics Review, Springer, vol. 10(1), pages 1-11, December.
    • Handle: RePEc:spr:hecrev:v:10:y:2020:i:1:d:10.1186_s13561-020-0260-8
    DOI: 10.1186/s13561-020-0260-8
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    References listed on IDEAS

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    3. Drummond, Michael F. & Sculpher, Mark J. & Torrance, George W. & O'Brien, Bernie J. & Stoddart, Greg L., 2005. "Methods for the Economic Evaluation of Health Care Programmes," OUP Catalogue, Oxford University Press, edition 3, number 9780198529453.
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