Table 4 Intra-rater agreement on treatment need using the GBON index and the AC index at different treatment need thresholds
From: Assessment of orthodontic borderline treatment need: A comparison of two aesthetic indices
GBON | AC at treatment threshold 4 | AC at treatment threshold 5 | AC at treatment threshold 6 | |
|---|---|---|---|---|
Perfect agreement | 84% | 79% | 80% | 85% |
Kappa score | 0.64 | 0.55 | 0.59 | 0.60 |