Clinical Study

Using Innovative Acoustic Analysis to Predict the Postoperative Outcomes of Unilateral Vocal Fold Paralysis

Table 4

The analysis of ROC curve between different voice parameters.

AUCSE95% CI

GRBAS0.520.150.27–0.76
MPT0.650.150.38–0.86
Voice a
 Jitter0.620.140.36–0.84
 Shimmer0.630.150.37–0.85
 NHR0.660.140.40–0.87
 NIrrP0.710.140.41–0.83
Voice i
 Jitter0.730.120.47–0.91
 Shimmer0.630.150.37–0.85
 NHR0.700.130.43–0.89
 NIrrP0.980.010.78–0.99

AUC, area under curve; SE, standard error; GRBAS, grade, roughness, breathiness, asthenia, and strain scale; MPT, maximum phonation time; NHR, noise to harmonic ratios; NIrrP, number of irregular peaks.