Table 4.
Results of acoustic voice analysis in patients undergoing CO2 laser cordectomy, considering the type of surgery and a comparison with the control group.
| Patient | Type | Fund. freq. (Hz) male | Fund. freq (Hz) female | Jitter% | Shimmer% | Ratio harm/noise |
|---|---|---|---|---|---|---|
| 1 | I | 191,72 | 1,59 | 3,34 | 0,13 | |
| 2 | I | 120,27 | 0,99 | 4,55 | 0,14 | |
| 3 | I | 205,25 | 1,61 | 1,97 | 0,10 | |
| 4 | II | 172,68 | 3,09 | 3,12 | 0,09 | |
| 5 | II | 143,47 | 1,49 | 2,36 | 0,13 | |
| 6 | II | 140,06 | 2,15 | 4,43 | 0,16 | |
| 7 | II | 161,89 | 2,62 | 3,09 | 0,13 | |
| 8 | II | 124,85 | 8,04 | 12,72 | 0,47 | |
| 9 | III | 281,75 | 2,82 | 3,26 | 0,09 | |
| 10 | III | 119,77 | 3,25 | 5,05 | 0,13 | |
| 11 | III | 158,04 | 1,24 | 5,48 | 0,13 | |
| 12 | III | 174,40 | 4,24 | 11,74 | 0,29 | |
| 13 | IV | 226,67 | 5,89 | 15,99 | 0,44 | |
| 14 | IV | 112,00 | 20,85 | 24,59 | 0,78 | |
| 15 | IV | 356,00 | 5,97 | 15,24 | 0,60 | |
| Average | 167,51 | 226,24 | 3,18 | 7,79 | 0,25 | |
| Average Control | 139,30(p=0,2008) | 202,23 | 0,76(p=0,001) | 3,95(p=0,0007) | 0,13(p=0,053) |