Table 3. ICC Values for Intra- and Interobserver Reliability.
| Measurement | Intraobserver | Interobserver | ||
|---|---|---|---|---|
| Correlation coefficient (95% CI) | p-value | Correlation coefficient (95% CI) | p-value | |
| CTI | 0.97 (0.94–0.98) | < 0.001 | 0.98 (0.96–0.99) | < 0.001 |
| CFI | 0.96 (0.93–0.98) | < 0.001 | 0.97 (0.93–0.99) | < 0.001 |
ICC: intraclass correlation coefficient, CI: confidence interval, CTI: cortical thickness index, CFI: canal flare index.