Selected article for: "retrospective nature and sample size"
Author: Guang Yang; Zihu Tan; Ling Zhou; Min Yang; Lang Peng; Jinjin Liu; Jingling Cai; Ru Yang; Junyan Han; Yafei Huang; Shaobin He
Title: Angiotensin II Receptor Blockers and Angiotensin-Converting Enzyme Inhibitors Usage is Associated with Improved Inflammatory Status and Clinical Outcomes in COVID-19 Patients With Hypertension
  • Document date: 2020_4_4
    • ID: mwttkclk_33
    Snippet: Our study has several limitations. First, due to the retrospective nature of this study and the fact that it was conducted in a single hospital, interpretation of our findings might be limited by the sample size and selection bias. We also realize that there are additional risk factors may not be well-controlled despite as many confounders as possible were corrected for......
    Document: Our study has several limitations. First, due to the retrospective nature of this study and the fact that it was conducted in a single hospital, interpretation of our findings might be limited by the sample size and selection bias. We also realize that there are additional risk factors may not be well-controlled despite as many confounders as possible were corrected for.

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