1.Establishment of index system for population based SARS-CoV-2 nucleic acid screening
Xi CHEN ; Qi ZOU ; Ruonan ZHEN ; Zhaojun XIE ; Jiongjin HUANG ; Lan LIU ; Yong HUANG ; Yu MA ; Ke LI ; Hui WANG ; Zongqiu CHEN ; Yufei LIU ; Jun YUAN
Chinese Journal of Epidemiology 2021;42(8):1353-1359
Objective:To establish an index system of population based SARS-CoV-2 nucleic acid screening, and provide reference to determine the screening coverage appropriately.Methods:The literature review and brain storming sessions were used to develop the basic frame and index system of population based SARS-CoV-2 nucleic acid screening. Based on Delphi method and Analytic Hierarchy Process, 21 domestic experts were selected for two rounds of consultation to determine the index system of population based SARS-CoV-2 nucleic acid screening and its weight.Results:The positive indexes of experts in two rounds of consultations were both 100%. The experts' authority coefficients ( Cr) were 0.88±0.08 and 0.89±0.07, respectively. And the range of coefficient of variation ( CV) were (0.08, 0.24), (0.09, 0.25). The Kendall's W coordination coefficients were 0.34 and 0.22 respectively, which were statistically significant. The index system of population based SARS-CoV-2 nucleic acid screening was established, which had 4 first-level indexes, 11 second-level indexes and 58 third-level indexes. Besides, the weight of each index was determined. Conclusion:The index system of population based SARS-CoV-2 nucleic acid screening has been established, which can provide scientific reference for the health administration to determine the coverage of population based SARS-CoV-2 nucleic acid screening when local COVID-19 epidemic occurs.
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