RESUMEN
OBJECTIVES: We investigated the reliability and validity of the Turkish version of the Screening Index for Voice Disorder (SIVD-TR). METHODS: The original SIVD1 translated into Turkish, followed by a translation back into English by a linguist. The text was finalized by an evaluation committee. This translated version was then administered to a cohort of 223 teachers in Ankara, Turkey, encompassing both those with and without voice disorders (WVD and WOVD). After a duration of 7-14days, a random selection of 53 teachers underwent the questionnaire once more. Statistical analyses were conducted to evaluate the reliability and validity of the index. Cronbach's alpha and test-retest methods were used to scale the reliability. A cutoff point was determined to decide the risk of a voice disorder, by using a Receiver Operating Characteristic curve. The validation process is concluded by computing sensitivity and specificity values, comparing mean scores between WVD and WOVD subjects, and finally examining correlations between SIVD-TR and the Turkish version of the Voice Handicap Index (VHI-10). RESULTS: The internal consistency reliability exhibited high significance, with Cronbach's alpha measuring at 0.872. The test-retest correlation coefficient for the total scores was 0.80. The SIVD-TR consists of 12 symptoms, each accounting for 1 point on the scale. The identified cutoff for identifying the risk of a voice disorder is 4 (four) symptoms, with a sensitivity of 55.2%. A correlation of 69% was observed between SIVD-TR and VHI-TR. A significant association was noted between the risk of having a voice disorder and the actual presence of a voice disorder. Subjects with a voice disorder exhibited higher mean SIVD scores, providing further evidence of the questionnaire's discriminative validity. CONCLUSION: The Turkish adaptation of SIVD demonstrated both reliability and validity, establishing itself as a robust tool for identifying voice disorders.
RESUMEN
OBJECTIVES: Childhood voice disorders have increased in recent years reduce not only communication of the child, but also; the quality of life by affecting the socio-emotional state. METHODS: In the study, it is aimed to test validity and reliability of Pediatric Voice Related Quality of Life Survey (PVRQOL)'s Turkish adaptation. A total of 223 individuals aged between 2 years and 18 years, with and without voice problems were involved in this study. RESULTS: Statistically significant differences were found between study and control groups for total score and sub domain scores for PVRQOL (pâ¯<â¯0,001). Total score of quality of life was higher in the control group. Cronbach alpha coefficient for overall PVRQOL was 0,922; dimension of physical function was 0,894 and socio-emotional domain was 0,804. In the test-retest reliability test, overall PVRQOL was found to be 0,732; physical functional sub domain was 0,734; socio-emotional sub domain was 0,721. The validity of the questionnaire was determined by factor analysis. CONCLUSION: The results suggest that the Turkish version of the PVRQOL has reliability and validity, and may play a crucial role in evaluating children with voice disorders.