Table 3.
Nine predictive variables and one dependent variable (speech perception test scores) for the multiple regression analysis.
| No. | Onset of hearing loss (years) | Duration of deafness (years) | SMRT (RPO) | GDT (ms) | Unaided audibility (dB HL) | Aided audibility (dB HL) | Visual DST | Auditory DST | Speech perception scores (%) | HLD SII | SII |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 13 | 0 | 1.60 | 2.22 | 100.00 | 22.50 | 7 | 7 | 62.51 | 0.13 | 0.59 |
| 2 | 40 | 0 | 3.63 | 5.25 | 87.50 | 26.25 | 4.5 | 4 | 48.98 | 0.29 | 0.59 |
| 3 | 46 | 13 | 1.92 | 15.10 | 93.75 | 27.50 | 8 | 4.5 | 19.94 | 0.17 | 0.58 |
| 4 | 7 | 3 | 1.57 | 4.19 | 100.00 | 30.00 | 8.5 | 6.5 | 60.77 | 0.12 | 0.58 |
| 5 | 41 | 7 | 1.98 | 3.48 | 92.50 | 21.25 | 7 | 6 | 59.26 | 0.19 | 0.59 |
| 6 | 51 | 10 | 1.28 | 9.62 | 97.50 | 26.25 | 5.5 | 4 | 25.49 | 0.13 | 0.59 |
| 7 | 5 | 50 | 1.48 | 5.19 | 75.00 | 22.50 | 7 | 5.5 | 33.42 | 0.21 | 0.59 |
| 8 | 41 | 31 | 3.15 | 9.76 | 88.75 | 32.50 | 7 | 5.5 | 40.28 | 0.12 | 0.57 |
| 9 | 15 | 14 | 4.13 | 5.39 | 67.50 | 22.50 | 6 | 6 | 47.37 | 0.23 | 0.59 |
| 10 | 0 | 55 | 0.51 | 34.88 | 86.25 | 43.75 | 4.5 | 2.5 | 1.77 | 0.24 | 0.52 |
| 11 | 56 | 2 | 1.63 | 8.30 | 100.00 | 20.00 | 6 | 4.5 | 57.73 | 0.13 | 0.59 |
| 12 | 42 | 21 | 6.30 | 12.09 | 90.00 | 25.00 | 5 | 5 | 35.69 | 0.25 | 0.58 |
| 13 | 2 | 2 | 1.13 | 2.86 | 95.00 | 22.50 | 6 | 5 | 59.15 | 0.13 | 0.59 |
| 14 | 2 | 0 | 1.70 | 1.71 | 100.00 | 18.75 | 6 | 6 | 64.18 | 0.13 | 0.59 |
| 15 | 50 | 0 | 2.93 | 10.64 | 88.33 | 23.75 | 6 | 6.5 | 63.38 | 0.25 | 0.59 |
Note. SMRT = Spectral-Temporally Modulated in Ripple Test; RPO = ripples per octave; GDT = Gap Detection Test; DST = Digit Span Test; HLD = hearing loss desensitization; SII = speech intelligibility index.