Selected article for: "early phase and positive rate"
Author: Yong Gao; Yi Yuan; Tuan Tuan Li; Wu Xiao Wang; Yong Xiu Li; Ang Li; Feng Ming Han
Title: Evaluation the auxiliary diagnosis value of antibodies assays for detection of novel coronavirus (SARS-Cov-2) causing an outbreak of pneumonia (COVID-19)
  • Document date: 2020_3_30
    • ID: 8mx5kowl_16
    Snippet: We analyzed the detectability of RNA test and antibodies assays according to the time course since illness onset in the cohort. As the results shown in Table 1 , in the early phase of illness within 7-day since onset, the RNA test for sputum specimens possessed the highest detectability of 92.3%, followed by the the RNA test for throat swabs (69.2%), and the antibodies assays presented lower positive rates(IgM, 23.0%; IgG, 53.8%). While, the sens.....
    Document: We analyzed the detectability of RNA test and antibodies assays according to the time course since illness onset in the cohort. As the results shown in Table 1 , in the early phase of illness within 7-day since onset, the RNA test for sputum specimens possessed the highest detectability of 92.3%, followed by the the RNA test for throat swabs (69.2%), and the antibodies assays presented lower positive rates(IgM, 23.0%; IgG, 53.8%). While, the sensitivity of antibodies assays overtook that of RNA test since day 8 after onset (IgM, 50.0%; IgG, 87.5%). Of note, the positive rate of throat swabs was only 13.0% for cases in later phase(≥15 d.a.o), and the sensitivities of IgM and IgG rose to 52.2% and 91.3%, respectively.

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