Selected article for: "control group and statistical analysis"

Author: Na Li; Lefei Han; Min Peng; Yuxia Lv; Yin Ouyang; Kui Liu; Linli Yue; Qiannan Li; Guoqiang Sun; Lin Chen; Lin Yang
Title: Maternal and neonatal outcomes of pregnant women with COVID-19 pneumonia: a case-control study
  • Document date: 2020_3_13
  • ID: 1esupl4q_5
    Snippet: The control group of pregnant women without pneumonia during hospital stay were randomly selected from the medical records by an investigator (MP), who was not involved in statistical analysis. Only those aged 25-35 years were selected to match the age range of cases. We selected 121 women who were admitted during the same period (control 2020 group). Considering the potential adverse effects of mental stress caused by city lockdown and severe ep.....
    Document: The control group of pregnant women without pneumonia during hospital stay were randomly selected from the medical records by an investigator (MP), who was not involved in statistical analysis. Only those aged 25-35 years were selected to match the age range of cases. We selected 121 women who were admitted during the same period (control 2020 group). Considering the potential adverse effects of mental stress caused by city lockdown and severe epidemics, we also included a second control group of 121 women admitted during January 24 -February 11, 2019 (control 2019 group). Blood test results were also retrieved from medical records. Two case groups underwent a blood test every three days but two control groups only took once on admission.

    Search related documents:
    Co phrase search for related documents