TABLE 4.
Median absolute error and its standard error of the RFR and GLM model for the monosyllabic score at a presentation level of 65 dBSPL (WRS65), the maximum word recognition score (WRSmax) and the presentation level for the maximum word recognition score, Lmax.
| Target | Cost function | Subgroup | WHO0 | WHO1 | WHO2 | WHO3 | WHO4 | |
| WRS65 | MAE (percentage points) |
Training | RFR GLM | 1.03 ± 0.04 1.91 ± 0.01 |
5.60 ± 0.06 9.04 ± 0.04 |
8.01 ± 0.11 14.36 ± 0.17 |
0.06 ± 0.02 2.09 ± 0.04 |
0.004 ± 0.002 0.018 ± 0.001 |
| Test | RFR GLM | 1.53 ± 0.08 1.91 ± 0.01 |
8.88 ± 0.24 9.04 ± 0.24 |
12.70 ± 0.59 14.42 ± 0.79 |
0.10 ± 0.05 2.10 ± 0.11 |
0.004 ± 0.002 0.018 ± 0.001 |
||
| WRSmax | Training | RFR GLM | 0.04 ± 0.01 0.57 ± 0.01 |
1.54 ± 0.02 3.04 ± 0.03 |
5.65 ± 0.08 8.71 ± 0.08 |
10.79 ± 0.36 18.92 ± 0.41 |
6.76 ± 0.27 8.06 ± 019 |
|
| Test | RFR GLM | 0.06 ± 0.01 0.57 ± 0.01 |
2.27 ± 0.05 3.04 ± 0.07 |
9.06 ± 0.25 8.71 ± 0.26 |
17.24 ± 1.94 18.91 ± 1.51 |
11.28 ± 1.56 7.82 ± 0.78 |
||
| Lmax | MAE (dB) |
Training | RFR GLM | 3.44 ± 0.04 5.31 ± 0.04 |
3.26 ± 0.05 5.30 ± 0.08 |
3.39 ± 0.06 5.85 ± 0.06 |
3.14 ± 0.13 5.81 ± 0.11 |
2.75 ± 0.16 8.63 ± 0.25 |
| Test | RFR GLM | 5.09 ± 0.17 5.31 ± 0.18 |
5.26 ± 0.15 5.34 ± 0.23 |
5.41 ± 0.23 5.85 ± 0.30 |
5.16 ± 0.46 5.85 ± 0.55 |
4.42 ± 0.46 8.65 ± 1.15 |