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Table 4 Ability of criteria to correctly discriminate between outcomes included and excluded from the final core outcomes set

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

Consensus criteria

Youden’s index

Gastroschisis core outcomes set (n = 87)

Neonatal core outcomes set (n = 114)

Allin et al.a

0.62 (0.37, 0.87)

0.88 (0.82, 0.94)

Beattie et al

0.46 (0.21, 0.72)

0.69 (0.60, 0.78)

Bennett et al

0.51 (0.19, 0.82)

0.91 (0.86, 0.97)

De Lima et al

0.60 (0.49, 0.71)

0.69 (0.60, 0.78)

Playfor et al

0.32 (− 0.02, 0.66)

0.42 (0.14, 0.70)

Qureshi et al

0.49 (0.18, 0.81)

0.88 (0.82, 0.94)

Schmitt et al

0.54 (0.29, 0.79)

0.83 (0.76, 0.91)

Williamson et al.†

0.46 (0.11, 0.80)

0.88 (0.72, 1.03)

Wylde et al

0.34 (− 0.01, 0.69)

0.92 (0.87, 0.98)

  1. 95% confidence intervals given in brackets
  2. aCriteria used in the gastroschisis core outcomes set development project
  3. bCriteria used in the neonatal core outcomes set development project