Table 8. Reproducibility of measurements made on intraoral photographs of the dental arches at two different occasions.
* P < 0.05. ICC: intraclass correlation coefficient; SD: standard deviation; TSALD: tooth size-arch length discrepancy; LII: Little's Irregularity Index; BBL: basal bone length; STS: sum of teeth sizes.
| Variable | ICC | Mean difference | SD | P-value | 95% confidence interval | |
| STS | 0.99 | −0.08 | 0.49 | 0.212 | −0.22 | 0.05 |
| BBL | 0.99 | −0.03 | 0.43 | 0.612 | −0.15 | 0.09 |
| TSALD value | 0.98 | −0.05 | 0.42 | 0.347 | −0.17 | 0.06 |
| LII | 0.99 | 0.07 | 0.23 | 0.018* | 0.01 | 0.14 |
| Partial Bolton | 0.99 | −0.22 | 0.56 | 0.055 | −0.005 | 0.46 |
| Overall Bolton | 0.96 | −0.19 | 0.60 | 0.130 | −0.06 | 0.44 |