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. 2005 Mar 2;5:18. doi: 10.1186/1472-6963-5-18

Table 4.

Intraclass correlations for each AGREE instrument domain as a function of the number of raters

Scope & Purpose Stakeholder Involvement Rigor of Development Clarity & Presentation Applicability Editorial Independence

Single Rater ICC Average of Raters ICC Single Rater ICC Average of Raters ICC Single Rater ICC Average of Raters ICC Single Rater ICC Average of Raters ICC Single Rater ICC Average of Raters ICC Single Rater ICC Average of Raters ICC
2 Raters 0.37 0.54 0.71 0.83 0.81 0.89 0.41 0.58 0.65 0.79 0.60 0.75
3 Raters 0.38 0.64 0.71 0.88 0.82 0.93 0.54 0.78 0.66 0.85 0.38 0.65
4 Raters 0.41 0.73 0.64 0.88 0.77 0.93 0.51 0.80 0.54 0.82 0.35 0.69
5 Raters 0.42 0.78 0.69 0.92 0.79 0.95 0.51 0.84 0.57 0.87 0.38 0.76
6 Raters 0.40 0.80 0.67 0.93 0.79 0.96 0.55 0.88 0.51 0.86 0.35 0.76

ICC = Intraclass correlation coefficient