Table 2.
Reliability of the mixing ability test for patients with head and neck cancer and healthy controls
| Patients (n = 34) | Healthy Controls (n = 42) | |
|---|---|---|
| Test mean (SD) | 19.12 (4.56) | 16.42 (2.04) |
| Test median (IQR) | 19.30 (8.68) | 15.80 (2.60) |
| Retest mean (SD) | 19.14 (4.80) | 15.95 (2.30) |
| Retest median (IQR) | 19.20 (9.58) | 15.65 (3.13) |
| Difference test‐retest, mean (SD) | −0.02 (2.26) | 0.47 (2.10) |
| ICC2,1 | 0.886 | 0.525 |
| 95% CI | 0.784‐0.942 | 0.272‐0.712 |
| SEM | 0.76 | 1.45 |
| SEM% | 4.0% | 9.0% |
| SDC | 2.12 | 4.02 |
| SDC% | 11.1% | 24.8% |
| 95% LoA | −4.46 to 4.42 | −3.65 to 4.59 |
Abbreviations: CI, confidence interval; ICC, intra‐class correlation coefficient; IQR, interquartile range; LoA, limits of agreement; SDC, smallest detectable change; SEM, standard error of measurement.