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Inpatient and outpatient costs associated with respiratory syncytial virus in Japanese infants and older adults: Supplementary data

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posted on 2023-07-20, 10:48 authored by Ataru Igarashi, Kanae Togo, Yasuhiro Kobayashi, Kazumasa Kamei, Naohiro Yonemoto, Naruhiko Ishiwada

Objective: To evaluate healthcare resource use for respiratory syncytial virus (RSV) in Japan. Methods:

Using JMDC and Medical Data Vision (MDV) claims databases, we retrospectively evaluated cost and length

of hospital/intensive care unit stays in RSV-diagnosed cohorts of infants (<12 months) and older adults

(OAs, ≥60 years). We analyzed the usage and costs of palivizumab in infants. Results: Mean costs among

those hospitalized were $2823 (USD); $2851; and $6609 (¥131 [JPY]/$) in JMDC-infant (n = 13,752); MDVinfant

(n = 22,142); and MDV-OA cohorts (n = 165), respectively. The mean cost was higher in those aged

<1 month, with risk factors, and severe RSV disease. Mean cumulative cost of palivizumab prophylaxis in

JMDC infant cohort was $6796/year. Conclusion: RSV causes enormous economic burden in infants and



This study was supported by Pfizer Japan Inc.


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