Table 2: Results of the acoustic analysis of the vowel /æ/samples performed before and 12 months after cochlear implantation in deaf children (N = 30).
| Acoustic parameter | Before CI (mean/S.D.) | 12 months after CI (mean/S.D.) | p |
| f0 (Hz) | 286.00/58.22 | 274.46/75.31 | 0.305 |
| JIT (%) | 2.89/1.87 | 1.52/1.25 | 0.007 |
| SH (%) | 6.27/3.78 | 4.14/1.98 | 0.011 |
| NHR | 0.18/0.11 | 0.11/0.02 | 0.010 |
Bold values indicates statistical significance.