How to reach agreement: the impact of different analytical approaches to Delphi process results in core outcomes set development

Table 3 Size of core outcomes sets produced using different consensus criteria

Consensus criteria	Size of consensus set produced when definition applied to Delphi results
Consensus criteria	Gastroschisis core outcomes set (n = 87)	Neonatal core outcomes set (n = 114)
Allin et al.^a	27 (31%)	24 (21%)
Beattie et al	39 (45%)	44 (39%)
Bennett et al	25 (29%)	21 (18%)
De Lima et al	39 (45%)	44 (39%)
Playfor et al	7 (8%)	5 (4%)
Qureshi et al	26 (30%)	24 (21%)
Schmitt et al	33 (38%)	29 (25%)
Williamson et al.^b	18 (21%)	15 (13%)
Wylde et al	27 (31%)	20 (18%)

Number in italics is the percentage of outcomes in the final Delphi round that met the consensus definition
^aCriteria used in the gastroschisis core outcomes set development project
^bCriteria used in the neonatal core outcomes set development project

ISSN: 1745-6215