Table 4.
Intra- and inter-examiner consistency test for primary and permanent dentition for categories healthy (0–2) versus diseased (3–7) and for non-cavitated (0–3) versus cavitated (4–7) teeth among 6–9-year-olds
| Primary dentition |
Permanent dentition |
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | 0–2 vs. 3–7 |
0–3 vs. 4–7 |
n | 0–2 vs. 3–7 |
0–3 vs. 4–7 |
|||||||||
| κ | SE | Po (%) | κ | SE | Po (%) | κ | SE | Po (%) | κ | SE | Po (%) | |||
| Intra-examiner | ||||||||||||||
| Examiner 1 | 493 | 0.84 | 0.03 | 95.3 | 0.87 | 0.03 | 97.1 | 218 | 0.65 | 0.13 | 97.2 | 0.32 | 0.25 | 98.1 |
| Examiner 2 | 272 | 0.82 | 0.04 | 93.0 | 0.93 | 0.03 | 98.1 | 121 | 0.40 | 0.14 | 90.0 | 1.00 | 0.00 | 100 |
| Examiner 3 | 395 | 0.89 | 0.03 | 97.2 | 0.84 | 0.04 | 96.9 | 250 | 0.61 | 0.13 | 97.2 | 0.60 | 0.16 | 98.0 |
| Inter-examiner | ||||||||||||||
| Examiner 1–2 | 271 | 0.86 | 0.05 | 96.6 | 0.86 | 0.05 | 97.7 | 105 | 0.48 | 0.22 | 96.1 | *0.00 | 0.00 | 99.0 |
| Examiner 2–3 | 219 | 0.59 | 0.07 | 88.5 | 0.78 | 0.08 | 96.8 | 148 | 0.58 | 0.19 | 97.2 | *0.00 | 0.00 | 97.9 |
| Examiner 1–3 | 1099 | 0.79 | 0.03 | 94.9 | 0.88 | 0.02 | 97.9 | 418 | 0.24 | 0.12 | 95.9 | 0.49 | 0.18 | 98.5 |
n, Number of surfaces; κ, kappa-coefficient value; SE, standard error; Po, percentage of agreement.
*
No statistics were computed because of the absence of variation. In the first case the examiners disagreed about one tooth and, in the second, they disagreed about three teeth.