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A methodological framework to address self-selection is presented that combines previous results on stratified case-control sampling designs with a newly developed theory on secondary outcome analyses. The derivations are then applied to data coming from a single-centre longitudinal prospective cohort study on Post and Long Covid syndrome, conducted at Luigi Sacco University Hospital in Milan from May 2020 to October 2022.

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Addressing Self-selection in Long Covid Studies: A Methodological Framework

  • 会议论文

  • 发表日期：

    2025年

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  • Konstantina Gourgoura,
  • Elena Stanghellini,
  • Marco Doretti

摘要

A methodological framework to address self-selection is presented that combines previous results on stratified case-control sampling designs with a newly developed theory on secondary outcome analyses. The derivations are then applied to data coming from a single-centre longitudinal prospective cohort study on Post and Long Covid syndrome, conducted at Luigi Sacco University Hospital in Milan from May 2020 to October 2022.