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Intraclass correlation coefficient (ICC) by dependent variable and time. Mean dB SPL is reported at a reference distance of 30cm. In square brackets, 95% confidence interval (CI).
| Variable | Pre-treatment | Post-treatment | Follow-up |
|---|---|---|---|
| AVQI | 0.953 [0.847; 0.986] | 0.962 [0.881; 0.988] | 0.768 [0.139; 0.938] |
| SPL reading | 0.917 [0.927; 0.975] | 0.833 [0.48; 0.946] | 0.952 [0.822; 0.987] |
| SPL max phonation | 0.921 [0.741; 0.976] | 0.949 [0.84; 0.984] | 0.844 [0.421; 0.958] |
