Table 1 Pre- and posttreatment clinical and subjective voice assessments in LPR patients

RSI

22.98 ± 7.06

8.02 ± 5.18

−5.52

< 0.001

RFS

10.73 ± 2.24

4.61 ± 3.20

−5.44

< 0.001

VHI

18.07 ± 12.98

9.10 ± 8.93

−4.38

< 0.001

VHIe

3.54 ± 4.06

1.63 ± 2.90

−3.67

< 0.001

VHIp

9.58 ± 6.85

5.34 ± 5.13

−3.86

< 0.001

VHIf

4.90 ± 4.65

5.34 ± 5.13

−4.08

< 0.001

 Grade

0.83 ± 0.67

0.80 ± 0.56

−0.23

0.819

 Roughness

0.88 ± 0.71

0.76 ± 0.58

−1.04

0.297

 Breathing

0.61 ± 0.74

0.56 ± 0.59

−0.43

0.670

 Asthenia

0.44 ± 0.74

0.39 ± 0.67

−0.29

0.768

 Strain

0.93 ± 0.76

0.98 ± 0.69

−0.36

0.721

 Instability

0.98 ± 0.79

0.90 ± 0.77

−0.54

0.590