Table 2 Definitions of consensus

From: A core outcome set for locoregional treatment reporting in neoadjuvant systemic breast cancer treatment trials

Category

Original (Rounds 1 and 2)

Revised (Round 2 only)

Consensus Meeting

Definition

Action

Definition

Action

Definition

Outcome

‘Consensus in’

Scored as very important (7–9) by ≥70% and not important (1–3) by <15% of any stakeholder group (surgeons and/or radiation oncologists and/or others)

Domain retained for next survey round/consensus meeting

Scored as very important (7–9) by ≥70% of any stakeholder group (surgeons and/or radiation oncologists and/or others)

Domain reviewed and thematically similar outcomes merged into broader summary outcomes for review/ratification at consensus meeting

Scored as ‘very important’ by ≥70% meeting participantsa

Summary domain included in final COS following ratification*

‘Consensus out’

Scored as not important (1–3) by ≥70% and very important (7–9) by <15% any stakeholder group (surgeons and/or radiation oncologists and/or others)

Domain discarded after Round 2 (to be ratified at consensus meeting)

Scored as very important by <60% of locoregional therapists (surgeons and/or radiation oncologists)

Same as original

Scored as ‘very important’ by <70% of meeting participants

Domain not included in final COS, following ratification

‘No consensus’

None of the criteria above are met

Domain retained for next survey round/consensus meeting

Neither of the above criteria are met

Same as original

Same as Round 2

Included in final COS if voted ‘very important’ by ≥70% meeting participants**

Not included in final COS if voted ‘very important’ by <70% meeting participants, following ratification

  1. *either as originally worded for revised/merged with another domain(s), **may be included as separate outcome domain or merged with another summary domain.
  2. aFor ratification agreement was required from ≥70% meeting participants.
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