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标题：Mapping the Relative Risk of Congenital Hypothyroidism Incidence via Spatial Zero-Inflated Poisson Model in Guilan Province, Iran
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作者：Bahare Gholami Chaboki ; Manijeh Tabrizi ; Maryam Heydarpour Meymeh 等
期刊名称：INTERNATIONAL JOURNAL OF PREVENTIVE MEDICINE
印刷版ISSN：2008-7802
出版年度：2021
卷号：12
DOI：10.4103/ijpvm.IJPVM_299_19
语种：English
出版社：ISFAHAN UNIVERSITY OF MEDICAL SCIENCES
摘要：Background: Congenital hypothyroidism (CH) is one of the most prevalent preventable causes of mental retardation. Studies show that the incidence rate of CH is very high in Iran. Disease mapping is a tool for visually expressing the frequency, incidence, or relative risk of illness. The present study aimed to model CH counts considering the effects of the neighborhood in towns and perform mapping based on the relative risk. Methods: In this historical cohort study, data of all neonates diagnosed with CH with TSH level ≥5 mIU/L between March 21, 2017, and March 20, 2018, in health centers in Guilan, Iran were used. The number of neonates with CH was zero in most towns of Guilan Province. The Bayesian spatial zero-inflated Poisson (ZIP) regression model was employed to investigate the effect of the town's neighborhood on the relative risk of CH incidence. Then, the map of the posterior mean of the relative risk for CH incidence was provided. The analysis was performed using OpenBUGS and Arc GIS software programs. Results: The relative risk of CH incidence was high in the West of Guilan. Moreover, the goodness-of-fit criterion indicated that it is more appropriate to fit the Bayesian spatial ZIP model to these data than the common model. Conclusions: Considering the high relative risk of CH in the Western towns of Guilan Province, it is better to check important risk factors in this region.
关键词：Bayes theorem; congenital hypothyroidism; neonates; Poisson distribution; spatial analysis