Screening health care workers with interferon-γ release assay versus tuberculin skin test: Impact on costs and adherence to testing (the SWITCH study)

Peter Wrighton-Smith, Laurie Sneed, Frances Humphrey, Xu Guang Tao, Edward Bernacki

Research output: Contribution to journalArticle

Abstract

OBJECTIVE: To determine the price point at which an interferon-γ release assay (IGRA) is less costly than a tuberculin skin test (TST) for health care employee tuberculosis screening. METHODS: A multidecision tree-based cost model incorporating inputs gathered from time-motion studies and parallel testing by IGRA and TST was conducted in a subset of our employees. RESULTS: Administering a TST testing program costs $73.20 per person screened, $90.80 per new hire, and $63.42 per annual screen. Use of an IGRA for employee health testing is cost saving at an IGRA test cost of $54.83 or less per test and resulted in higher completion rates because of the elimination of the need for a second visit to interpret the TST. CONCLUSIONS: Using an IGRA for employee health screening can be an institutional cost saving and results in higher compliance rates.

Original languageEnglish (US)
Pages (from-to)806-815
Number of pages10
JournalJournal of Occupational and Environmental Medicine
Volume54
Issue number7
DOIs
StatePublished - Jul 2012

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Tuberculin Test
Skin Tests
Interferons
Delivery of Health Care
Costs and Cost Analysis
Occupational Health
Time and Motion Studies
Tuberculosis

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

Cite this

Screening health care workers with interferon-γ release assay versus tuberculin skin test : Impact on costs and adherence to testing (the SWITCH study). / Wrighton-Smith, Peter; Sneed, Laurie; Humphrey, Frances; Tao, Xu Guang; Bernacki, Edward.

In: Journal of Occupational and Environmental Medicine, Vol. 54, No. 7, 07.2012, p. 806-815.

Research output: Contribution to journalArticle

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