Impact of Scoring Single or Multiple Occlusal Lesions on Estimates of Diagnostic Accuracy of the Visual ICDAS-II System

Table 3

Weighted kappa values for inter- and intraexaminer-reproducibility for visual ICDAS examinations, 95% confidence intervals and the effect size.

	Kappa for all data and 95% CI	Kappa for the randomized data and 95% CI	Effect size
	(𝑛=148)	(𝑛=67)
Intraexaminer-reproducibility
Examiner 2	0.79 (0.71–0.87)	0.76 (0.64–0.88)	0.06
Examiner 3	0.72 (0.64–0.80)	0.72 (0.58–0.86)	0.00
Examiner 4	0.82 (0.74–0.90)	0.82 (0.70–0.94)	0.00
Interexaminer-reproducibility
Examiner 1 versus 2	0.80 (0.72–0.88)	0.79 (0.67–0.91)	0.02
Examiner 1 versus 3	0.68 (0.64–0.72)	0.69 (0.63–0.75)	0.02
Examiner 1 versus 4	0.77 (0.69–0.85)	0.76 (0.64–0.88)	0.00
Examiner 2 versus 3	0.66 (0.62–0.70)	0.60 (0.54–0.66)	0.13
Examiner 2 versus 4	0.75 (0.67–0.83)	0.75 (0.63–0.87)	0.00
Examiner 3 versus 4	0.66 (0.62–0.70)	0.54 (0.48–0.60)	0.25