Mehlika Toy1, David Hutton2, Aaron M Harris3, Noele Nelson3, Joshua A Salomon4, Samuel So1. 1. Asian Liver Center, Department of Surgery, Stanford University School of Medicine, Palo Alto, California, USA. 2. Department of Health Management and Policy, University of Michigan, Ann Harbor, Michigan, USA. 3. Division of Viral Hepatitis, Centers for Disease Control and Prevention, Atlanta, Georgia, USA. 4. Center for Health Policy/Center for Primary Care and Outcomes Research, Stanford University, California, USA.
Abstract
BACKGROUND: An estimated 862 000 to 2.4 million people have chronic hepatitis B infection (CHB). Hepatitis B screening is recommended for pregnant women and populations with increased CHB risk. However, diagnosis rates remain low, with only 33% of people with CHB aware of their infection. This study aimed to assess the cost-effectiveness of universal adult screening for CHB. METHODS: We used a Markov model to calculate the costs, population health impact, and cost-effectiveness of 1-time universal screening and CHB monitoring and treatment compared with current practice. Sensitivity analysis was performed on model parameters to identify thresholds for cost-saving or cost-effectiveness based on a willingness to pay of $50 000/quality-adjusted life-year. The analysis assumed testing would be performed during routine healthcare visits and that generic tenofovir or entecavir would be dispensed for treatment. Testing costs were based on Medicare reimbursement rates. RESULTS: At an estimated 0.24% prevalence of undiagnosed CHB, universal hepatitis B surface antigen (HBsAg) screening in adults aged 18-69 years is cost-saving compared with current practice if antiviral treatment drug costs remain below $894/year. Compared with current practice, universal screening would avert an additional 7.4 cases of compensated cirrhosis, 3.3 cases of decompensated cirrhosis, 5.5 cases of hepatocellular carcinoma, 1.9 liver transplants, and 10.3 hepatitis B virus-related deaths at a saving of $263 000/100 000 adults screened. CONCLUSIONS: Universal HBsAg screening of adults in the US general population for CHB is cost-effective and likely cost-saving compared with current CHB screening recommendations.
BACKGROUND: An estimated 862 000 to 2.4 million people have chronic hepatitis B infection (CHB). Hepatitis B screening is recommended for pregnant women and populations with increased CHB risk. However, diagnosis rates remain low, with only 33% of people with CHB aware of their infection. This study aimed to assess the cost-effectiveness of universal adult screening for CHB. METHODS: We used a Markov model to calculate the costs, population health impact, and cost-effectiveness of 1-time universal screening and CHB monitoring and treatment compared with current practice. Sensitivity analysis was performed on model parameters to identify thresholds for cost-saving or cost-effectiveness based on a willingness to pay of $50 000/quality-adjusted life-year. The analysis assumed testing would be performed during routine healthcare visits and that generic tenofovir or entecavir would be dispensed for treatment. Testing costs were based on Medicare reimbursement rates. RESULTS: At an estimated 0.24% prevalence of undiagnosed CHB, universal hepatitis B surface antigen (HBsAg) screening in adults aged 18-69 years is cost-saving compared with current practice if antiviral treatment drug costs remain below $894/year. Compared with current practice, universal screening would avert an additional 7.4 cases of compensated cirrhosis, 3.3 cases of decompensated cirrhosis, 5.5 cases of hepatocellular carcinoma, 1.9 liver transplants, and 10.3 hepatitis B virus-related deaths at a saving of $263 000/100 000 adults screened. CONCLUSIONS: Universal HBsAg screening of adults in the US general population for CHB is cost-effective and likely cost-saving compared with current CHB screening recommendations.
Authors: David W Hutton; Mehlika Toy; Joshua A Salomon; Erin E Conners; Noele P Nelson; Aaron M Harris; Samuel So Journal: Sex Transm Dis Date: 2022-03-21 Impact factor: 3.868
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