S/Z Ratio in Dysphonic Children with and without Vocal Cord Nodules The maximum duration times for /s/ and /z/ and the calculated s/z ratio were obtained from 123 dysphonic children, 69 with vocal cord nodules and 54 with no vocal cord pathology. Significant differences were found in the duration of /s/ versus /z/. The s/z ratio was found not to be ... Research Article
Research Article  |   October 01, 1988
S/Z Ratio in Dysphonic Children with and without Vocal Cord Nodules
 
Author Notes
  • Jon Hufnagle is in the Department of Speech Pathology/Audiology at Illinois State University,Normal, IL 61761. Requests for reprints may be sent to him at this address. Kathryn K.Hufnagle is at the Medical University of South Carolina, Charleston, SC.
    Jon Hufnagle is in the Department of Speech Pathology/Audiology at Illinois State University,Normal, IL 61761. Requests for reprints may be sent to him at this address. Kathryn K.Hufnagle is at the Medical University of South Carolina, Charleston, SC.×
Article Information
Research Articles
Research Article   |   October 01, 1988
S/Z Ratio in Dysphonic Children with and without Vocal Cord Nodules
Language, Speech, and Hearing Services in Schools, October 1988, Vol. 19, 418-422. doi:10.1044/0161-1461.1904.418
History: Received July 27, 1987 , Accepted April 7, 1988
 
Language, Speech, and Hearing Services in Schools, October 1988, Vol. 19, 418-422. doi:10.1044/0161-1461.1904.418
History: Received July 27, 1987; Accepted April 7, 1988

The maximum duration times for /s/ and /z/ and the calculated s/z ratio were obtained from 123 dysphonic children, 69 with vocal cord nodules and 54 with no vocal cord pathology. Significant differences were found in the duration of /s/ versus /z/. The s/z ratio was found not to be significantly different for the two groups. The results indicate that the s/z ratio does not discriminate the presence of mass lesions in dysphonic children.

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