Exploring methods for selection and integration of stakeholder views in the development of core outcome sets: a case study in reconstructive breast surgery

Shelley Potter, Sara Brookes, Chris Holcombe, Joseph A Ward, Jane M Blazeby

Research output: Contribution to journalArticle (Academic Journal)peer-review

7 Citations (Scopus)
281 Downloads (Pure)


Background: The development and use of core outcome sets (COS) in trials may improve data synthesis and reduce outcome reporting bias. Selection of outcomes in COSs is informed by views of key stakeholders, yet little is known about the role and influence of different stakeholders’ views during COS development. We report an exploratory case study examining how stakeholder selection and incorporation of stakeholders’ views may influence the selection of outcomes for a COS in reconstructive breast surgery (RBS). We also make recommendations for future consideration.

Methods: Key stakeholder groups and subgroups were identified from the literature and expert opinion by the COS management group. They included healthcare professionals, subdivided by profession (breast and plastic surgeons, specialist nurses and psychologists) and patients subdivided according to type of surgery received, timing of reconstruction, time since surgery and patient age. All participated in a survey in which they were asked to prioritise outcomes. Outcomes were prioritised using a 9-point scale from 1(not important) to 9 (extremely important). The proportion of i) all participants, ignoring stakeholder group (single heterogeneous panel analysis); ii) professional and patient groups separately, ignoring pre-specified subgroups and iii) each participant subgroup separately (multiple homogeneous panel analysis), rating each item ‘extremely important’ was summarised and compared to explore how selection and integration of stakeholder views may influence outcome prioritisation.

Results: There were many overlaps between items rated as most important by all groups. Specific stakeholders, however prioritised specific concerns and a broader range of outcomes were prioritised when the subgroups were considered separately. For example; two additional outcomes were prioritised when patient and professional groups were considered separately and eight additional outcomes were identified when the views of the individual subgroups were explored. In general patient subgroups preferentially valued additional clinical outcomes including unplanned surgery whereas professional subgroups prioritised additional psychosocial issues including body image.

Conclusion: Stakeholder groups value different outcomes. Selection of groups therefore is important. Our recommendations for robust and transparent stakeholder selection and integration of stakeholder views may aid future COS developers in the design and conduct of their studies and improve the validity and value of future COS.
Original languageEnglish
Article number463
Number of pages11
Publication statusPublished - 23 Sept 2016

Structured keywords

  • Centre for Surgical Research


  • core outcome sets
  • stakeholder selection
  • Delphi
  • breast reconstruction
  • methodology


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