Parameter | Pre-op | SD* | Post-op | SD* | Percentage improvement | p Value |
Pitch (Hz) | 236.06 | 106.01 | 208.63 | 50.09 | 11.62% | 0.4 |
Intensity (dB) | 61.31 | 12.62 | 62.30 | 8.27 | 1.60% | 0.8 |
Shimmer (dB) | 1.86 | 0.62 | 0.92 | 0.38 | 50.53% | 0.03 |
Jitter (%) | 5.94 | 4.06 | 0.813 | 0.77 | 86.30% | 0.02 |
Harmonics to Noise Ratio | 3.98 | 4.52 | 13.26 | 5.62 | 233% | 0.01 |
MPT(seconds) | 5.85 | 2.79 | 10.57 | 3.15 | 80.60% | 0.002 |