Table 7.
Comparison of change in voice parameters in study subjects with different relation of EBSLN to the superior Pole
| Preop | 1 day after the operation |
P-value With preop |
1 week after the operation |
P-value with preop |
|
|---|---|---|---|---|---|
| Type 1 EBSLN | |||||
| Mean F0 (Hz) | 221.798 ± 41.011 | 219.543 ± 44.598 | 0.13 | 221.495 ± 43.555 | 0.85 |
|
Pitch → sigma (Hz) |
16.689 ± 17.246 | 17.599 ± 16.307 | 0.24 | 16.047 ± 16.524 | 0.21 |
| Jitter | 0.45%±0.14% | 0.47%±0.22% | 0.78 | 0.43%±0.14% | 0.23 |
|
Shimmer (dB) |
0.544 ± 0.213 | 0.547 ± 0.221 | 0.99 | 0.569 ± 0.193 | 0.18 |
| HNR (dB) | 19.899 ± 2.813 | 20.092 ± 3.535 | 0.47 | 19.280 ± 2.310 | 0.32 |
| Type 2a EBSLN | |||||
| Mean F0 (Hz) | 217.091 ± 52.281 | 213.899 ± 52.656 | 0.16 | 217.135 ± 51.343 | 0.87 |
|
Pitch → sigma (Hz) |
14.968 ± 12.350 | 16.037 ± 13.873 | 0.38 | 16.883 ± 13.402 | 0.05 |
| Jitter | 0.47%±0.24% | 0.44%±0.22% | 0.07 | 0.45%±0.23% | 0.08 |
|
Shimmer (dB) |
0.774 ± 0.488 | 0.741 ± 0.445 | 0.20 | 0.764 ± 0.448 | 0.95 |
| HNR (dB) | 17.589 ± 4.109 | 17.996 ± 5.188 | 0.50 | 17.782 ± 4.781 | 0.87 |
| Type 2b EBSLN | |||||
| Mean F0 (Hz) | 224.382 ± 50.325 | 218.374 ± 49.188 | < 0.01 | 220.714 ± 47.636 | 0.30 |
|
Pitch → sigma (Hz) |
16.642 ± 15.413 | 18.850 ± 15.895 | < 0.01 | 17.875 ± 16.561 | 0.21 |
| Jitter | 0.47%±0.17% | 0.44%±0.22% | 0.23 | 0.45%±0.23% | 0.60 |
|
Shimmer (dB) |
0.495 ± 0.216 | 0.456 ± 0.209 | 0.38 | 0.453 ± 0.209 | 0.47 |
| HNR (dB) | 19.710 ± 4.376 | 18.792 ± 4.044 | 0.04 | 19.142 ± 3.826 | 0.35 |