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Reliability and agreement of the House-Brackmann scale across assessment modes.
| Assessment mode | Intraclass correlation coefficient (95% CI) | P value | Percentage exact agreement (%) | Percentage close agreement (%) |
| Face-to-face | 0.686 (0.488-0.835) | <.001 | 41.7 | 79.2 |
| Video | 0.780 (0.623- 0.889) | <.001 | 25.0 | 87.5 |
