Economic effect evaluation of fluoride varnishes on 3-5 years old children based on decision tree model

doi:10.19439/j.sjos.2021.06.015

Abstract

Abstract: PURPOSE: To analyze the burden of dental caries among 3-year-old children in Zhoujiadu community of Shanghai, and to evaluate the effect of a 2-year fluoride anti-caries project. METHODS: According to the method of cluster sampling,1010 3-year-old children in Zhoujiadu community were randomly divided into control group and intervention group. Children in the intervention group were continuously fluorinated for two years, then dental caries prevelence was evaluated and compared between the two groups. At the same time, the economic burden (including direct burden,indirect burden and intangible burden) of caries in different corrosion degree in the same age and equal proportion of sample size were studied. The preventive effect and cost of fluoride intervention were analyzed by decision tree model,and the cost-effectiveness and incremental cost-effectiveness ratio(ICER) of intervention were analyzed with SPSS 16.0 software package. RESULTS: The incidence and prevalence of dental caries in the intervention group were 47%, 58.3%, and 51.1%,67.6% in the control group.Incremental cost-effectiveness ratio(ICER) was CNY 153.76 per child remaining caries free. With the increase of the corrosion depth of dental caries,the indirect cost and intangible cost increased. CONCLUSIONS: From the perspective of healthcare system, the unit cost of reducing dental caries through fluoride application is low,which is suitable for prevention of dental caries in children.

Key words: Fluoride varnish, Decision tree, Cost-effectiveness, Incremental cost-effective ratio, Economic burden

CLC Number:

R788.1

YU Jin, ZENG Xiao-li, JIANG Yi-wei, WANG Hu-ning, ZHANG Hao, DA Dong-xin, ZHANG Ying. Economic effect evaluation of fluoride varnishes on 3-5 years old children based on decision tree model[J]. Shanghai Journal of Stomatology, 2021, 30(6): 639-643.

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