Chia Nan University of Pharmacy & Science Institutional Repository:Item 310902800/34483
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    標題: Using the IPcase Index with Inflection Points and the Corresponding Case Numbers to Identify the Impact Hit by COVID-19 in China: An Observation Study
    作者: Wang, Lin-Yen
    Chien, Tsair-Wei
    Chou, Willy
    貢獻者: Chi Mei Med Ctr, Dept Pediat
    Chia Nan Univ Pharm & Sci, Dept Childhood Educ & Nursery
    Kaohsiung Med Univ, Coll Med, Sch Med
    Chi Mei Med Ctr, Dept Med Res
    Chi Mei Hosp Chiali, Dept Phys Med & Rehabil
    關鍵字: item response theory
    ogive curve
    absolute advantage coefficient
    infection point
    COVID-19
    forest plot
    Kano diagram
    choropleth map
    日期: 2021
    上傳時間: 2023-11-11 11:56:43 (UTC+8)
    出版者: MDPI
    摘要: Coronavirus disease 2019 (COVID-19) occurred in Wuhan and rapidly spread around the world. Assessing the impact of COVID-19 is the first and foremost concern. The inflection point (IP) and the corresponding cumulative number of infected cases (CNICs) are the two viewpoints that should be jointly considered to differentiate the impact of struggling to fight against COVID-19 (SACOVID). The CNIC data were downloaded from the GitHub website on 23 November 2020. The item response theory model (IRT) was proposed to draw the ogive curve for every province/metropolitan city/area in China. The ipcase-index was determined by multiplying the IP days with the corresponding CNICs. The IRT model was parameterized, and the IP days were determined using the absolute advantage coefficient (AAC). The difference in SACOVID was compared using a forest plot. In the observation study, the top three regions hit severely by COVID-19 were Hong Kong, Shanghai, and Hubei, with IPcase indices of 1744, 723, and 698, respectively, and the top three areas with the most aberrant patterns were Yunnan, Sichuan, and Tianjin, with IP days of 5, 51, and 119, respectively. The difference in IP days was determined (chi 2 = 5065666, df = 32, p < 0.001) among areas in China. The IRT model with the AAC is recommended to determine the IP days during the COVID-19 pandemic.
    關聯: INT J ENV RES PUB HE, v.18, n.4, pp.1994
    显示于类别:[嬰幼兒保育系] 期刊論文

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