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 |