2.  Intraclass correlation coefficient (rho) for agreement among dentists’ recs for restorative tx due to caries, for teeth grouped by restoration and caries status
	n Second measure of agreement was a modified intra- class correlation n Where total variance attributable to differences among examiners for individual teeth is divided by the total variance across examiners and teeth n Using these two measures, agreement on treatment recommendations due to caries was calculated for 1,187 teeth, and for four subsets of teeth grouped by caries and restoration status, as determined by a visual-tactile epidemiological examination
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