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Table 5 details attrition rates for per stakeholder group

From: Methodology in core outcome set (COS) development: the impact of patient interviews and using a 5-point versus a 9-point Delphi rating scale on core outcome selection in a COS development study

  5-Point Survey 9-Point Survey
Stakeholder Group R1-R2 R2-R3 Overall R1-R2 R2-R3 Overall
Clinician 30% 10% 37% 40% 14% 48%
Clinician/Researcher 17% 0% 17% 7% 0% 7%
Patient 30% 29% 50% 45% 33% 64%
Researcher 0% 0% 0% 15% 0% 15%
Service Provider/Policy Makers 40% 0% 40% 17% 0% 17%
Overall 25% 9% 32% 32% 11% 39%
  1. R Round