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

From: Impact of laryngopharyngeal reflux on subjective and objective voice assessments: a prospective study

Scales pretreatment posttreatment Z p-value*
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
Blinded
 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
  1. *Wilcoxon matched-pairs signed-ranks test (values and; VHIf Voice Handicap Index Functional, VHIe Voice Handicap Index Emotional, VHIp Voice Handicap Index Physic, VHI Voice Handicap Index