Table 6.
Comparison of pre-operative and post-operative voice parameters in study subjects
| Preop | 1-day post-operative |
P-value With preop |
1-week post-operative |
P-value With preop |
|
|---|---|---|---|---|---|
| Mean F0 (Hz) | 221.447 ± 45.981 | 217.283 ± 46.323 | < 0.01 | 219.872 ± 45.096 | 0.46 |
| Pitch sigma (Hz) | 16.791 ± 14.716 | 18.454 ± 15.088 | < 0.01 | 17.79 ± 15.315 | 0.09 |
| Jitter | 0.46%±0.17% | 0.45%±0.21% | 0.05 | 0.44%±0.19% | 0.11 |
| Shimmer (dB) | 0.582 ± 0.317 | 0.552 ± 0.301 | 0.08 | 0.566 ± 0.302 | 0.90 |
| HNR (dB) | 19.009 ± 3.939 | 18.803 ± 4.14 | 0.58 | 18.740 ± 3.630 | 0.46 |