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Arch Otolaryngol Head Neck Surg. 2006 Jul;132(7):717-20.

Validation of the Pediatric Voice-Related Quality-of-Life survey.

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  • 1Department of Otolaryngology, Massachusetts Eye and Ear Infirmary, Boston, Mass 02114, USA.

Abstract

OBJECTIVE:

To validate the Pediatric Voice-Related Quality-of-Life (PVRQOL) survey, which was designed to assess voice changes over time in the pediatric population.

DESIGN:

Prospective longitudinal study.

SETTING:

Outpatient pediatric otolaryngology office practice.

PARTICIPANTS:

One hundred twenty parents of children aged 2 through 18 years having a variety of otolaryngological diagnoses including disorders that affect the voice.

INTERVENTIONS:

The previously validated Pediatric Voice Outcomes Survey and the PVRQOL were jointly administered to the parents of the study participants. Test-retest reliability was accomplished by having 70 caregivers repeat the instrument 2 weeks after the initial visit. The Cronbach alpha value was calculated to determine reliability. Instrument validity was determined by examining convergent and discriminant validity.

MAIN OUTCOME MEASURE:

Correlation of PVRQOL scores with Pediatric Voice Outcomes Survey scores.

RESULTS:

Reliability of the PVRQOL was established by evaluating the Cronbach alpha value (.96; P<.001) and by test-retest reliability (weighted kappa value, 0.8). Validity of the PVQROL was tested by evaluating its ability to show significant change in voice-related quality-of-life after adenoidectomy (discriminant validity) (P<.001). The PVQROL also proved valid when the overall score was correlated with the previously validated Pediatric Voice Outcomes Survey (r = 0.7; P<.001).

CONCLUSION:

The PVRQOL is a more comprehensive survey than the previously validated Pediatric Voice Outcomes Survey and is another valid instrument to examine the health-related quality-of-life issues in pediatric voice disorders.

PMID:
16847178
[PubMed - indexed for MEDLINE]
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