Normative values for singing voice handicap index – systematic review and meta-analysis

Sobol, Maria; Sielska-Badurek, Ewelina; Osuch‐Wójcikiewicz, Ewa

doi:10.1016/j.bjorl.2018.12.004

Cited by 18 publications

(18 citation statements)

References 23 publications

(26 reference statements)

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“…Therefore, we We converted the total score of all these studies into a 0 -100 score so the results would be comparable to ours. The mean score for healthy singers in the current study was 16.90 on the P-SVHI score, range 0 -100, which is similar to the results of healthy singers in Sobol et al, in which 729 healthy singers pooled from different languages had an average score of 14.10 on a 0 -100 scale (19). The mean P-SVHI score, range 0 -100, in healthy singers in the current study (16.9) also is similar to the results previously reported by (15), and Turkish (pathology group vs. healthy group: 53.6 ± 28.9 vs. 21.8 ± 18.5) (11).…”

Section: Discussionsupporting

confidence: 89%

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Translation, Validity, and Reliability of Singing Voice Handicap Index in Persian Traditional Singers: A New Revised Version

Ahmadi

Rajati²,

Vasaghi‐Gharamaleki

et al. 2022

Middle East J Rehabil Health Stud

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Background: The Singing Voice Handicap Index (SVHI) was developed to assess voice-related handicaps in singers. Objectives: The purpose of this study was to evaluate the validity and reliability of a Persian translation of the SVHI (P-SVHI) for traditional Persian singers. Methods: A cross-sectional study was performed to translate and validate the P-SVHI using a "forward-backward" procedure. The questionnaire was administered to 275 traditional Persian singers (168 with a normal voice and 107 with dysphonia) ranging from 16 to 83 years. Content, construct, discriminant, convergent, and face validity, test-retest reliability, internal consistency, and floor and ceiling effects were assessed. Results: The 36-item SVHI, translated from the original English by two translators, was completed by 21 traditional Persian singers. After the face validity was approved, construct validity assessment using factor analysis identified four factors in the P-SVHI with the exclusion of seven items. The mean score of the 29-item P-SVHI on a 0 - 100 scale was 16.9 for healthy subjects and 40.9 for dysphonic subjects. Discriminant validity confirmed that P-SVHI scores were significantly different between normal and dysphonic singers, using an independent sample t-test (P < 0.001). Convergent validity was proven by strong correlations between P-SVHI scores and the Iowa Patient’s Voice Index (IPVI1, IPVI2, and "IPVI effort" scores of r = 0.58, 0.69, and 0.42, respectively, P < 0.001). Internal consistency and test-retest reliability were also excellent (Cronbach α = 0.95, average inter-item correlation = 0.40, and intra-class correlation coefficients using two-way random model with absolute agreement, ICCtwo-way random, absolute agreement = 0.69 - 0.95). No floor or ceiling effects were observed. Conclusions: The revised 29-item P-SVHI is a valid and reliable tool in differentiating normal and dysphonic Persian traditional singers.

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Section: Discussionsupporting

confidence: 89%

“…The total score ranges between 0 and 144, with higher scores indicating more voice disability (3,7). Sobol et al reported the cutoff of the original SVHI as 20.35 (95% CI: 10.6 -30.1) (19). In a previous version of the P-SVHI, the internal consistency was confirmed for Iranian singers generally (Cronbach α = 0.83) (15).…”

Section: Singing Voice Handicap Indexmentioning

confidence: 99%

Translation, Validity, and Reliability of Singing Voice Handicap Index in Persian Traditional Singers: A New Revised Version

Ahmadi

Rajati²,

Vasaghi‐Gharamaleki

et al. 2022

Middle East J Rehabil Health Stud

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“…Although the SVHI may be adequate to assessing the perceived impact of known vocal problems, it is unable to accurately assess, or correlate with personal perception, the presence of pathology misunderstood in healthy singers, as also found by Castelblanco et al [23][24][25]. SVHI is a mainly psychological instrument valid for the evaluation after a therapy, but it does not allow us to identify problems and to distinguish healthy and dysfunctional singers.…”

Section: Discussionmentioning

confidence: 97%

Looking for an Objective Parameter to Identify Early Vocal Dysfunctions in Healthy Perceived Singers

Longo

Angeletti

Parrinello

et al. 2023

Indian J Otolaryngol Head Neck Surg

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The finding of minimal laryngeal dysfunctions in professional voice users is essential to prevent the onset of organic vocal pathologies. The purpose of this study is to identify an objective parameter that supports the phoniatric evaluation in detecting minimal laryngeal dysfunctions in singers. 54 professional and non-professional singers have been evaluated with laryngostroboscopy, Multi-Dimensional Voice Program (MDVP), Dysphonia Severity Index (DSI), maximum phonation time (TMF), minimum intensity of sound emission (I-min), maximum frequency (F-max), voice handicap index (VHI), singing voice handicap index (SVHI), manual phonogram and audiometric examination. The SVHI of all the “healthy” singers was on average 23.7 ± 22.5, while that of the “dysfunctional” 20.9 ± 18. No statistically significant difference was found between the SVHI scores of the total of healthy singers compared to the scores of the dysfunctional ones on the VSL (p = 0.6). The between-group comparison of the means of individual parameter values of DSI, TMF, F-max, Jitter, Shimmer, NHR, and SPI was not statistically significant (respectively p = 0.315, 0.2, 0.18, 0.09, 0.2, 0.08, 0.3). The only parameter analyzed that was statistically significant was the I-min (p < 0.05). SVHI is a valid instrument for the evaluation after a therapy but in our experience, it is not useful in distinguishing healthy from dysfunctional patients. The minimum intensity of sound emission measured with the sound level meter (I-low2) resulted a reliable parameter to identify minimal laryngeal dysfunctions and a useful tool in supporting the phoniatric diagnostic-therapeutic process in singers.

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“…Os coristas deste estudo apresentaram um escore de IDV-C compatível com vozes saudáveis para o canto, como encontrado por Cohen (2007) na validação do instrumento utilizado (13) . O escore também foi semelhante ao valor normativo médio de um grupo de 729 cantores profissionais saudáveis com idade entre 18 e 64 anos, publicado em uma revisão sistemática recente, que apresentaram um IDV-C de 20,35 com intervalo de confiança entre 10.6 e 30.1 (15) . Estudos que validaram o protocolo em diversos idiomas demonstraram que é um método válido e confiável na identificação da autopercepção do indivíduo em relação ao impacto dos problemas vocais no canto (16)(17)(18)(19)(20)(21) .…”

Section: Discussionunclassified

Análise do índice de desvantagem vocal para o canto de coristas idosos

Moura

Gadenz

Lemos

et al. 2022

CoDAS

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RESUMO Objetivo Analisar o índice de desvantagem vocal para o canto de coristas idosos e verificar a sua relação com perfil, hábitos e condições de saúde dos participantes. Método Foram incluídos 110 indivíduos com 60 anos ou mais, participantes de coros amadores. Os coristas foram entrevistados a fim de verificar dados como idade, tempo de canto coral, classificação vocal e a presença de hábitos e condições de saúde adversas à produção vocal. Posteriormente, responderam o questionário “Índice de Desvantagem Vocal para o Canto (IDV-C)” que avalia a autopercepção do indivíduo em relação às experiências no uso da voz cantada. Resultados O escore do IDV-C teve uma mediana de 25, sendo a pontuação mínima 0 e a máxima 86. Os itens mais pontuados estavam relacionados aos aspectos físicos no uso da voz cantada: “Não consigo cantar agudo” (Q10) e “Minha garganta fica seca quando canto” (Q13). Verificou-se que os idosos com mais de 75 anos apresentaram maior desvantagem vocal para o canto ao comparar com os mais jovens (p=0,020). As coristas classificadas como contralto também apresentaram maior escore do IDV-C (p=0,023), assim como os indivíduos que relataram beber pouca água (p=0,007). Conclusão Os coristas deste estudo apresentaram um índice de desvantagem vocal para o canto compatível com vozes saudáveis para o canto. Ao verificar a relação do escore do IDV-C com as características dos participantes e a respeito dos hábitos e condições de saúde, constatou-se que os coristas idosos com mais de 75 anos, as coristas contralto e aqueles que afirmaram beber pouca água apresentaram escores maiores de desvantagem vocal para o canto.

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Normative values for singing voice handicap index – systematic review and meta-analysis

Cited by 18 publications

References 23 publications

Translation, Validity, and Reliability of Singing Voice Handicap Index in Persian Traditional Singers: A New Revised Version

Translation, Validity, and Reliability of Singing Voice Handicap Index in Persian Traditional Singers: A New Revised Version

Looking for an Objective Parameter to Identify Early Vocal Dysfunctions in Healthy Perceived Singers

Análise do índice de desvantagem vocal para o canto de coristas idosos

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