期刊
EUROPEAN ARCHIVES OF OTO-RHINO-LARYNGOLOGY
卷 267, 期 8, 页码 1261-1271出版社
SPRINGER
DOI: 10.1007/s00405-010-1214-2
关键词
Retrospective study; Voice perturbation measures; Normalized noise energy (NNE); Dysphonia Severity Index (DSI); Quantification of dysphonia
资金
- Deutsche Forschungsgemeinschaft (DFG) [LO1413/2-1, HO2177/2-3]
Within this study a retrospective analysis of clinical voice perturbation measures, Dysphonia Severity Index and subjective perceived hoarseness was performed to determine their value under clinical aspects. The study included the data of 580 healthy and 1,700 pathologic voices, which were investigated under the following aspects. The relevant parameters were identified and their interrelation determined. Group differences between healthy and pathologic voices were figured out and investigated if voice quality measures allowed an automatic diagnosis of voice disorders. The analysis revealed significant changes between the clinical groups, which indicate the diagnostic relevance of voice quality measures. However, an individual diagnosis of the underlying voice disorder failed due to a vast spread of the parameter values within the respective groups. Classification accuracies of 75-90% were achieved. The high misclassification rate of up to 25% implied that in voice disorder diagnosis, the individual interpretation of the parameter values has to be done carefully.
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