<journal article>
Text Mining Analysis for Yusho Patientsʼ Survey

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Abstract Yusho, a mass food poisoning incident that occurred in western Japan in 1968, was caused by ingestion of rice bran oil contaminated with various dioxins and dioxin-like compounds such as polychlorinat...ed biphenyls, polychlorinated dibenzo-p-dioxins, and polychlorinated dibenzofurans. Annual medical examinations by the Yusho group revealed that Yusho patients had been suffering from various symptoms over the years after the Yusho outbreak. Although most of the previous surveys focused on physical symptoms, medical history (symptoms and patient-reported diseases), and laboratory tests such as blood tests, the Yusho Group surveyed the subjective health status and concerns of Yusho patients as free descriptions, with the cooperation of the Ministry of Health, Labor and Welfare. In the present study, we conducted a text analysis using the free descriptions focusing on the health conditions and concerns of Yusho patientsʼ children. The results of the text analysis showed that black, oil, atopy, and rhinitis were typical words for Yusho patients. Black and atopy were words related to baby /gum and skin, respectively.show more

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Created Date 2021.07.29
Modified Date 2021.07.30

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