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Comparison of mean pitch (F0) among various studies
| Study | Pre-operative mean (Hz) | Post-operative mean (Hz) | p-value |
|---|---|---|---|
| Santosh et al. 2011 [21] |
Male- 120.01 ± 8.99 Female- 184.99 ± 38.29 |
Male- 117.45 ± 15. Female- 186.05 ± 26.93 |
> 0.05 |
| Gour et al. 2013 [19] | 425.76 ± 68.14 | 402.79 ± 65.27 | < 0.05 |
| Lang et al. 2015 [20] | 194.9 ± 34.9 | 188.0 ± 34.0 | 0.001 |
| Present study | 221.447 ± 45.981 |
217.283 ± 46.323 Hz Day 1 219.872 ± 45.096 Day 7 |
< 0.01 0.46 |
