Objectives: To evaluate the cost-effectiveness of the 20-valent pneumococcal conjugate vaccine (PCV20) compared to 13-valent pneumococcal conjugate vaccine (PCV13) for the pediatric population in Korea, where the four-dose vaccine coverage rate is over 97%.
Methods: We constructed a Markov model to calculate the cost and quality-adjusted life-years (QALYs) over 10 years. The health states were susceptible states; disease states, which included invasive pneumococcal diseases such as meningitis, bacteremia, pneumonia, and acute otitis media; and death attributable to pneumococcal disease. The annual incidence and mortality due to pneumococcal diseases were estimated based on the serotypes covered by PCV13 and PCV20, vaccine coverage rate, vaccine effectiveness, and population size. Vaccine, administration, and disease costs were included in the model.
Results: In the total population (n = 51,431,305), PCV20 prevented more pneumococcal diseases and deaths, resulting in a gain of 74,855 QALY over PCV13. Meanwhile, the PCV20 group spent $275,136,631 less than the PCV13 group. As PCV20 gained more QALYs but spent less on total medical costs than PCV13, PCV20 was dominant over PCV13.
Conclusions: In the Korean population, PCV20 is a cost-effective and dominant option over PCV13. Our findings provide evidence for decision-making regarding the introduction of PCV20 in countries with high vaccine coverage.
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http://dx.doi.org/10.1016/j.vaccine.2024.05.048 | DOI Listing |
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