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Measuring multimorbidity in research: Delphi consensus study.

Iris S S Ho1, Amaya Azcoaga-Lorenzo2, Ashley Akbari3

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Summary
This summary is machine-generated.

Multimorbidity is defined as two or more long-term conditions. This international consensus provides guidance for consistent measurement in research, improving study comparability and reproducibility.

Keywords:
epidemiologymedicineprimary health carepublic healthresearch design

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Area of Science:

  • Gerontology and Public Health
  • Clinical Research Methodology

Background:

  • Multimorbidity research faces challenges due to inconsistent definitions and measurement approaches.
  • Lack of standardized methods hinders comparability and reproducibility of studies.

Purpose of the Study:

  • To establish international consensus on the definition and measurement of multimorbidity for research.
  • To develop standardized guidance for consistent multimorbidity research.

Main Methods:

  • A Delphi consensus study involving professional and public panels.
  • Data collected through three online survey rounds between November 2020 and May 2021.

Main Results:

  • Consensus reached: multimorbidity defined as two or more long-term conditions.
  • Agreement on criteria for including conditions in measures (active, permanent, requiring treatment, surveillance, or ongoing care).
  • Consensus on 24 'always include' and 35 'usually include' conditions; simple counts preferred for prevalence, weighted measures for risk adjustment.

Conclusions:

  • This Delphi study provides consensus guidance for defining and measuring multimorbidity.
  • The findings aim to enhance consistency, comparability, and reproducibility in multimorbidity research.