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Common data elements to standardize genomics studies in cerebral palsy.

Yana A Wilson1,2, Hayley Smithers-Sheedy1,2, Katarina Ostojic1,2

  • 1Sydney Medical School, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.

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Summary

A standardized set of 107 clinical common data elements (CDEs) was developed for cerebral palsy (CP) genomics research. This ensures consistent data collection for improved international collaboration and analysis of rare CP conditions.

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Area of Science:

  • Genomics
  • Clinical Informatics
  • Neurology

Background:

  • Genomic studies in cerebral palsy (CP) require standardized phenotype data for robust analysis.
  • Existing data collection methods lack uniformity, hindering international collaboration and data pooling.
  • The International Cerebral Palsy Genomics Consortium (ICPGC) initiated efforts to establish common data elements (CDEs).

Approach:

  • A comprehensive literature review identified candidate data elements for CP genomics studies.
  • A three-round Delphi survey involving 46 international experts (consumers, scientists, clinicians) was conducted.
  • Consensus was defined as >75% agreement on data element inclusion and categorization (core, recommended, exploratory, not required).

Key Points:

  • Developed 107 CDEs across six categories: demographics, diagnostics, family history, antenatal/neonatal details, clinical traits, and CP-specific assessments.
  • Established a mandatory minimum data set (MDS) of 10 core elements for CP genomics research.
  • The CDEs include standardized definitions and data value domains to facilitate consistent data capture.

Conclusions:

  • The ICPGC CDEs provide a foundational framework for standardizing phenotype data in CP genomic research.
  • These standardized elements will enhance international data sharing, collaboration, and the pooling of resources for rare CP conditions.
  • Improved data standardization will ultimately lead to better clinical interpretation of genomic findings in cerebral palsy.