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