Table 6.

Intra- and inter-examiner consistency test of assessing primary (2–6-year-olds) and permanent (19–30-year-olds) dentition at tooth surface level with the Caries Assessment Spectrum and Treatment (CAST) instrument

	Primary dentition				Permanent dentition
	n	κ	SE	Po (%)	n	κ	SE	Po (%)
Intra-examiner
Examiner 1	998	0.61	0.11	87.0	1,275	0.89	0.01	95.5
Examiner 2	616	0.87	0.03	99.3	1,011	0.91	0.01	96.4
Inter-examiner
Examiner 1–2	400	0.74	0.10	98.3	750	0.87	0.02	94.1

n, Number of surfaces; κ, kappa-coefficient value; SE, standard error; Po, percentage of agreement.