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The cost-effectiveness of screening for chronic hepatitis B infection in the United States.

Authors

Eckman MH1, Kaiser TE, Sherman KE.
Author information
  • 1Division of General Internal Medicine and the Center for Clinical Effectiveness, Ohio, USA. mark.eckman@uc.edu

Journal

Clin Infect Dis. 2011 Jun;52(11):1294-306. doi: 10.1093/cid/cir199. Epub 2011 May 2.

Affiliation

Comment in

Abstract

BACKGROUND: Hepatitis B virus (HBV) continues to cause significant morbidity and mortality in the United States. Current guidelines suggest screening populations with a prevalence of ≥2%. Our objective was to determine whether this screening threshold is cost-effective and whether screening lower-prevalence populations might also be cost-effective.

METHODS: We developed a Markov state transition model to examine screening of asymptomatic outpatients in the United States. The base case was a 35-year-old man living in a region with an HBV infection prevalence of 2%. Interventions (versus no screening) included screening for Hepatitis B surface antigen followed by treatment of appropriate patients with (1) pegylated interferon-α2a for 48 weeks, (2) a low-cost nucleoside or nucleotide agent with a high rate of developing viral resistance for 48 weeks, (3) prolonged treatment with low-cost, high-resistance nucleoside or nucleotide, or (4) prolonged treatment with a high-cost nucleoside or nucleotide with a low rate of developing viral resistance. Effectiveness was measured in quality-adjusted life years (QALYs) and costs in 2008 US dollars.

RESULTS: Screening followed by treatment with a low-cost, high-resistance nucleoside or nucleotide was cost-effective ($29,230 per QALY). Sensitivity analyses revealed that screening costs <$50,000 per QALY in extremely low-risk populations unless the prevalence of chronic HBV infection is <.3%.

CONCLUSIONS: The 2% threshold for prevalence of chronic HBV infection in current Centers for Disease Control and Prevention/US Public Health Service screening guidelines is cost-effective. Furthermore, screening of adults in the United States in lower-prevalence populations (eg, as low as .3%) also is likely to be cost-effective, suggesting that current health policy should be reconsidered.

PMID

21540206 [PubMed - indexed for MEDLINE]

PMCID

PMC3097367 Free full text
HighWire: Free full text
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