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Chronic hepatitis B virus case-finding in UK populations born abroad in intermediate or high endemicity countries: an economic evaluation

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Chronic hepatitis B virus case-finding in UK populations born abroad in intermediate or high endemicity countries : an economic evaluation. / Martin, Natasha K; Vickerman, Peter; Khakoo, Salim; Ghosh, Anjan; Ramsay, Mary; Hickman, M; Williams, Jack; Miners, Alec.

In: BMJ Open, Vol. 9, No. 6, e030183, 28.06.2019.

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@article{f446ee3e4bad49bdbea2285dc93909b3,
title = "Chronic hepatitis B virus case-finding in UK populations born abroad in intermediate or high endemicity countries: an economic evaluation",
abstract = "OBJECTIVES: The majority (>90{\%}) of new or undiagnosed cases of hepatitis B virus (HBV) in the UK are among individuals born in countries with intermediate or high prevalence levels (≥2{\%}). We evaluate the cost-effectiveness of increased HBV case-finding among UK migrant populations, based on a one-time opt out case-finding approach in a primary care setting.DESIGN: Cost-effectiveness evaluation. A decision model based on a Markov approach was built to assess the progression of HBV infection with and without treatment as a result of case-finding. The model parameters, including the cost and effects of case-finding and treatment, were estimated from the literature. All costs were expressed in 2017/2018 British Pounds (GBPs) and health outcomes as quality-adjusted life-years (QALYs).INTERVENTION: Hepatitis B virus case-finding among UK migrant populations born in countries with intermediate or high prevalence levels (≥2{\%}) in a primary care setting compared with no intervention (background testing).RESULTS: At a 2{\%} hepatitis B surface antigen (HBsAg) prevalence, the case-finding intervention led to a mean incremental cost-effectiveness ratio of £13 625 per QALY gained which was 87{\%} and 98{\%} likely of being cost-effective at willingness to pay (WTP) thresholds of £20 000 and £30 000 per additional QALY, respectively. Sensitivity analyses indicated that the intervention would remain cost-effective under a £20 000 WTP threshold as long as HBsAg prevalence among the migrant population is at least 1{\%}. However, the results were sensitive to a number of parameters, especially the time horizon and probability of treatment uptake.CONCLUSIONS: HBV case-finding using a one-time opt out approach in primary care settings is very likely to be cost-effective among UK migrant populations with HBsAg prevalence ≥1{\%} if the WTP for an additional QALY is around £20 000.",
keywords = "case-finding, economic evaluation, health economics, health services research, hepatitis B virus, hepatology",
author = "Martin, {Natasha K} and Peter Vickerman and Salim Khakoo and Anjan Ghosh and Mary Ramsay and M Hickman and Jack Williams and Alec Miners",
note = "{\circledC} Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY. Published by BMJ.",
year = "2019",
month = "6",
day = "28",
doi = "10.1136/bmjopen-2019-030183",
language = "English",
volume = "9",
journal = "BMJ Open",
issn = "2044-6055",
publisher = "BMJ Publishing Group",
number = "6",

}

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TY - JOUR

T1 - Chronic hepatitis B virus case-finding in UK populations born abroad in intermediate or high endemicity countries

T2 - an economic evaluation

AU - Martin, Natasha K

AU - Vickerman, Peter

AU - Khakoo, Salim

AU - Ghosh, Anjan

AU - Ramsay, Mary

AU - Hickman, M

AU - Williams, Jack

AU - Miners, Alec

N1 - © Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY. Published by BMJ.

PY - 2019/6/28

Y1 - 2019/6/28

N2 - OBJECTIVES: The majority (>90%) of new or undiagnosed cases of hepatitis B virus (HBV) in the UK are among individuals born in countries with intermediate or high prevalence levels (≥2%). We evaluate the cost-effectiveness of increased HBV case-finding among UK migrant populations, based on a one-time opt out case-finding approach in a primary care setting.DESIGN: Cost-effectiveness evaluation. A decision model based on a Markov approach was built to assess the progression of HBV infection with and without treatment as a result of case-finding. The model parameters, including the cost and effects of case-finding and treatment, were estimated from the literature. All costs were expressed in 2017/2018 British Pounds (GBPs) and health outcomes as quality-adjusted life-years (QALYs).INTERVENTION: Hepatitis B virus case-finding among UK migrant populations born in countries with intermediate or high prevalence levels (≥2%) in a primary care setting compared with no intervention (background testing).RESULTS: At a 2% hepatitis B surface antigen (HBsAg) prevalence, the case-finding intervention led to a mean incremental cost-effectiveness ratio of £13 625 per QALY gained which was 87% and 98% likely of being cost-effective at willingness to pay (WTP) thresholds of £20 000 and £30 000 per additional QALY, respectively. Sensitivity analyses indicated that the intervention would remain cost-effective under a £20 000 WTP threshold as long as HBsAg prevalence among the migrant population is at least 1%. However, the results were sensitive to a number of parameters, especially the time horizon and probability of treatment uptake.CONCLUSIONS: HBV case-finding using a one-time opt out approach in primary care settings is very likely to be cost-effective among UK migrant populations with HBsAg prevalence ≥1% if the WTP for an additional QALY is around £20 000.

AB - OBJECTIVES: The majority (>90%) of new or undiagnosed cases of hepatitis B virus (HBV) in the UK are among individuals born in countries with intermediate or high prevalence levels (≥2%). We evaluate the cost-effectiveness of increased HBV case-finding among UK migrant populations, based on a one-time opt out case-finding approach in a primary care setting.DESIGN: Cost-effectiveness evaluation. A decision model based on a Markov approach was built to assess the progression of HBV infection with and without treatment as a result of case-finding. The model parameters, including the cost and effects of case-finding and treatment, were estimated from the literature. All costs were expressed in 2017/2018 British Pounds (GBPs) and health outcomes as quality-adjusted life-years (QALYs).INTERVENTION: Hepatitis B virus case-finding among UK migrant populations born in countries with intermediate or high prevalence levels (≥2%) in a primary care setting compared with no intervention (background testing).RESULTS: At a 2% hepatitis B surface antigen (HBsAg) prevalence, the case-finding intervention led to a mean incremental cost-effectiveness ratio of £13 625 per QALY gained which was 87% and 98% likely of being cost-effective at willingness to pay (WTP) thresholds of £20 000 and £30 000 per additional QALY, respectively. Sensitivity analyses indicated that the intervention would remain cost-effective under a £20 000 WTP threshold as long as HBsAg prevalence among the migrant population is at least 1%. However, the results were sensitive to a number of parameters, especially the time horizon and probability of treatment uptake.CONCLUSIONS: HBV case-finding using a one-time opt out approach in primary care settings is very likely to be cost-effective among UK migrant populations with HBsAg prevalence ≥1% if the WTP for an additional QALY is around £20 000.

KW - case-finding

KW - economic evaluation

KW - health economics

KW - health services research

KW - hepatitis B virus

KW - hepatology

UR - http://www.scopus.com/inward/record.url?scp=85068941306&partnerID=8YFLogxK

U2 - 10.1136/bmjopen-2019-030183

DO - 10.1136/bmjopen-2019-030183

M3 - Article

VL - 9

JO - BMJ Open

JF - BMJ Open

SN - 2044-6055

IS - 6

M1 - e030183

ER -