Journal of Voice最新文献

{"title":"TOC","authors":"","doi":"10.1016/S0892-1997(25)00142-0","DOIUrl":"10.1016/S0892-1997(25)00142-0","url":null,"abstract":"","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages i-vi"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143891481","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Standardized Behavioral Treatment Improves Chronic Cough","authors":"Eleni A. Varelas ,&nbsp;Chaewon Hwang ,&nbsp;Sarah Brown ,&nbsp;Joseph Chang ,&nbsp;Medha Sataluri ,&nbsp;Diana Kirke ,&nbsp;Mark Courey ,&nbsp;Leanne Goldberg","doi":"10.1016/j.jvoice.2022.11.017","DOIUrl":"10.1016/j.jvoice.2022.11.017","url":null,"abstract":"<div><h3>Objectives</h3><div><span>Neurogenic Laryngeal Hypersensitivity<span> (NLH) refers to a constellation of upper airway symptoms thought to be caused by a disturbance in afferent and/or efferent neural pathways creating an exaggerated hypersensitive laryngeal response. There is evidence to support behavioral therapy as treatment for improving symptoms from laryngeal </span></span>motor dysfunction<span> to sensory disturbance. This study aims to determine if there is significant symptomatic improvement in patients with NLH who received non-pharmacologic behavioral treatment performed by trained SLPs.</span></div></div><div><h3>Study design</h3><div>A retrospective review.</div></div><div><h3>Methods</h3><div>A review of all patients with NLH from 2017 to 2020 was performed at a tertiary care voice and swallowing center. Subjects with persistent symptoms despite maximal medical management were considered for inclusion. Newcastle Laryngeal Hypersensitivity Questionnaire (NLHQ) was completed by patients before and after undergoing therapy by one of three trained SLPs. Posttherapy improvement was determined by utilizing the NLHQ's minimal clinically important difference of 1.7 points.</div></div><div><h3>Results</h3><div>A total of 81 patients were included in this study. Study participants included 61 women and 20 men with an average age of 60.64±14.05 years. There was a statistically significant difference between the pre and post therapy scores amongst all patients when treated by each individual SLP and all three SLPs combined (<em>P</em> &lt; 0.008). There was a clinically significant change in 66% of all patients, 76% of which presented with abnormal NLHQ scores, and 14% who presented with normal NLHQ scores.</div></div><div><h3>Conclusions</h3><div>A standardized behavioral treatment protocol for patients with symptoms consistent with NLH is effective in improving symptoms in a large majority of patients. When following a standardized protocol SLPs can obtain similar results for their patients.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages 850.e23-850.e27"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9094918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prevalence of Voice Problems and Associated Risk Factors Among Tamil-Speaking Imams","authors":"Thirunavukkarasu Jayakumar,&nbsp;Hasan Ali Mohamed Yasin,&nbsp;Jesnu Jose Benoy","doi":"10.1016/j.jvoice.2022.11.022","DOIUrl":"10.1016/j.jvoice.2022.11.022","url":null,"abstract":"<div><h3>Purpose</h3><div>Voice of Professional Voice Users (PVUs) are of particular interest to practicing Speech-Language Pathologists. There is a dearth of studies concerning the prevalence of voice disorders and the associated risk factors among Tamil-speaking Imams. We address this research gap using non-experimental survey research.</div></div><div><h3>Methods</h3><div>A questionnaire was framed by reviewing earlier literature. The derived questionnaire was administered to one hundred Tamil-speaking Imams actively involved in religious service in Tamil Nadu. We analyzed the obtained responses quantitatively and qualitatively. We also examined the effect of age on the prevalence of voice disorders and associated risk factors.</div></div><div><h3>Results</h3><div>Based on survey responses, the career prevalence of voice problems among Tamil-speaking Imams was as high as 89%, and the point prevalence was 64%. The general health status of the Imams were good. However, vocal health was not satisfactory. This study identified several factors that contribute to voice problems, such as constant use of loud voice, acid reflux, unhealthy vocal habits, and insufficient hydration. A positive aspect observed during this study was the absence of smoking and consumption of alcohol among Imams. Even though the Imams presented good awareness of the voice production mechanism, they reported not seeking medical help when facing a voice problem. Current findings report a minimal impact of age-related differences on associated risk factors for voice disorders among the Imams.</div></div><div><h3>Conclusions</h3><div>Voice disorders are prevalent among Tamil-speaking Imams. Several risk factors leading to voice disorders among these individuals need to be addressed.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages 846.e25-846.e33"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10346094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Clinical Efficacy of Microsuture Technique Combined With Voice Therapy in Patients with Reinke's Edema","authors":"Zhitao Fan,&nbsp;Wenxin Dong,&nbsp;Yabo Wang,&nbsp;Jinglei Fang,&nbsp;Xuexia Wang,&nbsp;Xiaolan Zhang","doi":"10.1016/j.jvoice.2022.11.029","DOIUrl":"10.1016/j.jvoice.2022.11.029","url":null,"abstract":"<div><h3>Objective</h3><div>This study aimed to explore the clinical efficacy of the microsuture technique combined with voice therapy in patients with Reinke's edema.</div></div><div><h3>Methods</h3><div>46 patients with Reinke's edema admitted between April 2017 and August 2021 were selected and randomly divided into simple surgical and combined therapy groups. The simple surgical and combined therapy group were evaluated preoperatively and at 3 months after surgery using subjective and objective voice analysis.</div></div><div><h3>Results</h3><div>Compared with the preoperative state, there was a significant improvement in the acoustic parameters 3 months postoperatively. The G and R scores, Voice Handicap index-10 (VHI-10), and jitter parameters of the combined therapy group were lower, whereas F0 and maximum phonation time (MPT), changed significantly in the combined therapy group, fundamental frequency perturbation (jitter), and MPT acoustic parameters of the combined therapy group were lower than those of the simple surgery group (<em>P</em> &lt; 0.05).</div></div><div><h3>Conclusion</h3><div>The microsuture technique is preferable for eliminating vocal folds surgical wounds and promoting mucosal recovery, and combined with voice therapy is more helpful to comprehensive improve the quality of phonation.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages 811-815"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10369272","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Semi-occluded Nasal Tract Exercises (SONTEs): Nasal Tube in Water Exercises Using Nasal Consonants","authors":"Ahmet Konrot ,&nbsp;Göksu Yılmaz ,&nbsp;Mustafa Bilgiç ,&nbsp;Büşra Çınar ,&nbsp;Ceren Söğüt","doi":"10.1016/j.jvoice.2022.11.023","DOIUrl":"10.1016/j.jvoice.2022.11.023","url":null,"abstract":"<div><h3>Objective</h3><div><span>This study analyzes the effects of the vocal exercises called semi-occluded nasal tract exercises (SONTEs), which were carried out with a new appliance that extends the </span>nasal cavity<span> as a part of the vocal tract<span>. The acoustic, aerodynamic and electroglottographic (EGG) measurements were compared with those of the traditional semi-occluded vocal tract exercises (SOVTEs) of phonation in water.</span></span></div></div><div><h3>Methods</h3><div>In this study, 34 women were randomly asked to perform phonation in water for 5 min through the nasal and oral routes with the sounds /m/ and /ɔ/, respectively, using a tube with a submersion depth of 5 cm. The acoustic, aerodynamic and EGG measurements before and after the exercises were analyzed using the appropriate statistical methods.</div></div><div><h3>Results</h3><div><span>No significant difference was found in the time and frequency domain parameters before and after the exercises, except for the amplitude perturbation quotient (APQ) values, which decreased after both exercises. In addition, there was no significant difference in any aerodynamic parameters before and after the exercises, but the mean SPL values significantly increased after both exercises. The oral and nasal peak inspiratory flow rates increased after both exercises, but the increase peaked after the SONTEs implementation. As expected, the EGG–jitter and EGG–periodicity values had a reciprocal interaction with each other, while differences were observed between the values of the </span>vocal fold movements measured in both exercises.</div></div><div><h3>Conclusions</h3><div>SONTEs may be as effective as the conventional SOVTEs because it made tube phonation into water possible through artificial extension of the nasal cavity and increased the resonant effect by using the positive effects based on the principles of SOVTEs.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages 845.e1-845.e10"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10423291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"“Quality, Readability, and Understandability of Online Posterior Glottic Stenosis Information”","authors":"Julian S. De La Chapa,&nbsp;Jeffrey R. Bellinger,&nbsp;Allyson R. Timm,&nbsp;James J. Daniero","doi":"10.1016/j.jvoice.2022.11.036","DOIUrl":"10.1016/j.jvoice.2022.11.036","url":null,"abstract":"<div><h3>Objectives</h3><div>To assess the quality, readability, and understandability of posterior glottic stenosis (PGS) information available to patients online.</div></div><div><h3>Methods</h3><div>The top 50 Google search results for “posterior glottic stenosis” were categorized based on website affiliation and target audience (patient or provider). Readability was assessed using the Flesch-Kincaid Grade Level (FKGL) and the Flesch Reading Ease (FRE) scores. The DISCERN tool was used to assess quality and the Patient Education Assessment Tool for Printed Materials (PEMAT-P) was used to assess understandability and actionability. Simple descriptive statistics were used to analyze the data.</div></div><div><h3>Results</h3><div>36 of the top 50 results were eligible for scoring. 17% (6 of 36) were classified as patient-focused while 83% (30 of 36) were provider-focused. Patient-focused materials had a higher mean FRE score (36.9) than provider-focused materials (15.5) (<em>P</em> &lt; 0.001). Patient-focused materials had an average reading level of 12.5 compared to 15.8 for provider-focused materials (<em>P</em> &lt; 0.001). There was a significant correlation between overall PEMAT-P and DISCERN (r = 0.63, <em>P</em> &lt; 0.001), PEMAT-P understandability and DISCERN (r = 0.63, <em>P</em> &lt; 0.001) and FRES and FKGL (r = -0.67, <em>P</em> &lt; 0.001). From this, we can infer that higher quality sites are easier to understand but not necessarily tailored to a certain reading level.</div></div><div><h3>Conclusions</h3><div>Shared decision making in PGS management is crucial as patients must be aware of how treatment modalities affect airway, voice, and swallowing. However, this study shows that patient targeted PGS information is limited, and the readability, quality, and understandability is generally low. We suggest the development of web pages with PGS information tailored for patient education and search optimization to make this information appear earlier in Google search results. Furthermore, future studies should seek to characterize the link between online health information and socioeconomic-based health disparities.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages 854.e7-854.e12"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10446819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Changes of Pepsin Concentration in Saliva Sample According to Storage Period","authors":"Hee Jin Kang ,&nbsp;Joo Kyung Noh ,&nbsp;Min Kyeong Lee ,&nbsp;Seon Rang Woo ,&nbsp;Jung Min Park ,&nbsp;Young Chan Lee ,&nbsp;Seong-Gyu Ko ,&nbsp;Young-Gyu Eun","doi":"10.1016/j.jvoice.2022.12.010","DOIUrl":"10.1016/j.jvoice.2022.12.010","url":null,"abstract":"<div><h3>Objectives</h3><div>To determine whether the concentration of pepsin in the saliva sample changes according to the storage period of the sample.</div></div><div><h3>Methods</h3><div>Forty eight patients with suspected laryngopharyngeal reflux were included in this study. Saliva samples were collected from each patient and each sample divided into six and stored for different period of time. Pepsin concentration was measured using enzyme-linked immunosorbent assay. A comparison was made between the pepsin concentration measured immediately and the concentration measured after storage for 1 week, 2 weeks, 1 month, 3 months, and 6 months.</div></div><div><h3>Results</h3><div>No significant difference in pepsin concentrations were detected between the sample analyzed immediately and those analyzed at 1 week, 2 weeks, 1 month, and 3 months after saliva collection. A significant difference in pepsin concentration was observed in the sample analyzed immediately and the sample analyzed 6 months after saliva collection.</div></div><div><h3>Conclusions</h3><div>Pepsin concentration in saliva samples did not demonstrate a significant difference between the concentration measured immediately and the concentration measured 3 months after saliva collection, although a significant difference was observed in the concentration measured 6 months after collection.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages 855.e7-855.e10"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10461012","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Accuracy Analysis of the Multiparametric Acoustic Indices AVQI, ABI, and DSI for Speech-Language Pathologist Decision-Making","authors":"Fabiana Andrade Penido ,&nbsp;Ana Cristina Côrtes Gama","doi":"10.1016/j.jvoice.2022.11.027","DOIUrl":"10.1016/j.jvoice.2022.11.027","url":null,"abstract":"<div><h3>Purpose</h3><div>To investigate the accuracy of the Acoustic Voice Quality Index (AVQI), the Acoustic Breathiness Index (ABI), and the Dysphonia<span> Severity Index (DSI) for speech-language pathologist (SLP) decision-making in the evaluation of teachers' voice conditions.</span></div></div><div><h3>Methods</h3><div>Cross-sectional observational study with a convenience sample composed of 21 teachers “fit” in carrying out their work activities as a teacher, and 21 considered “unfit” for the same. All teachers underwent a voice evaluation, carried out by a voice-specialized speech-language pathologist. Voice evaluation included the SLP's opinion on whether the teachers presented “fit” or “unfit” for work. The voice and speech samples used for the AVQI and ABI scores were the mid-three seconds of a sustained vowel /a/, and a spontaneous count from 1 to 10. The following parameters were used to extract the DSI score: mid-three seconds of a sustained vowel /a/, maximum phonation time of a sustained vowel /a/, ascending vocal glide on the vowel /a/ until reaching the highest pitch, and sustained vowel /a/ at the softest possible vocal intensity. The t-test was used to compare the difference between the AVQI and ABI indices. The Mann-Whitney test was used for the DSI index, with a confidence level of 95%. The receiver operating characteristic curve (ROC) was used for accuracy analysis.</div></div><div><h3>Results</h3><div>There was a difference in AVQI values (<em>P</em>=0.008), ABI (<em>P</em>=0.014), and DSI (<em>P</em>=0.000) between groups. The cutoff points that revealed the highest specificity for the AVQI, ABI, and DSI respectively were 3.33 (sensitivity 57.1% and specificity 90.5%), 4 (sensitivity 57.1% and specificity 85.7%), and 1.62 (sensitivity 71.4% and specificity 90.5%).</div></div><div><h3>Conclusion</h3><div>The AVQI, ABI, and DSI are instruments that provide robust voice information and can help speech-language pathologists in their decision-making about whether teachers must or must not be restricted in their vocal activities at work.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages 699-706"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10479650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Medications Adverse Effects on Voice: Comparison Between Different Sources of Information","authors":"Leonardo da Rocha Cardoso ,&nbsp;Marcia Simões Zenari ,&nbsp;Patrícia Melo Aguiar ,&nbsp;Katia Nemr","doi":"10.1016/j.jvoice.2022.12.005","DOIUrl":"10.1016/j.jvoice.2022.12.005","url":null,"abstract":"<div><h3>Introduction</h3><div><span>The analysis of drugs with adverse effects on voice provides relevant data for the vocal clinic. It is essential that professionals involved in voice care are aligned on the topic of voice </span>pharmacovigilance in order to understand adverse effects from safe and reliable sources.</div></div><div><h3>Objectives</h3><div>To compare the voice adverse effects of self-reported medications by dysphonic individuals in different sources of information.</div></div><div><h3>Methods</h3><div>Descriptive and analytical study based on self-reported active ingredients by dysphonic individuals and their adverse effects on voice listed in Electronic Database of the National Health Surveillance Agency of Brazil (Anvisa). Adverse effects were comparatively analyzed between the Anvisa's Electronic Database and information from the Micromedex and UpToDate databases. Data were analyzed using descriptive and inferential statistics that compared the three sources researched in relation to the number of adverse effects and in relation to the occurrence of adverse effects to the voice.</div></div><div><h3>Results</h3><div><span><span><span>There was a statistically significant difference between the databases regarding the occurrence of adverse effects of cough, dyspnea, </span>xerostomia, vomiting and </span>hoarseness, with a higher occurrence in the UpToDate database. The UpToDate database showed a statistically significant difference in the amount of drug effects compared to the Anvisa database (</span><em>P</em> &lt; 0.001, d = 0.744) and compared to the Micromedex database (<em>P</em> &lt; 0.001, d = 0.598), and in the two cases the mean number of drug effects was higher for the UpToDate database.</div></div><div><h3>Conclusions</h3><div>UpToDate proved to be the most suitable source to complement the data from the medication package inserts at the time of the speech-language pathology assessment. It is recommended that professionals from all countries involved in voice care seek additional evidence-based sources of information to gain access to accurate and up-to-date data on adverse effects of drugs on voice.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages 854.e1-854.e6"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10492669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Automated Analysis of Phonoarticulatory Diadochokinesis in Tamil Speakers","authors":"Ponnusamy Parkavi,&nbsp;Sujjuri Alagendra Raja Ramsankar","doi":"10.1016/j.jvoice.2022.11.007","DOIUrl":"10.1016/j.jvoice.2022.11.007","url":null,"abstract":"<div><h3>Objectives</h3><div>Diadochokinetic rate (DDK) quantifies the laryngeal and oral muscle coordination, but there are insufficient baseline evidence exist, that limits the effectiveness of computerized DDK evaluation in assessing motor speech control. In the end, this study will give normative data on age and gender effects on both oral and laryngeal DDK in Tamil speakers.</div></div><div><h3>Study design</h3><div>Cross sectional Study.</div></div><div><h3>Method</h3><div>A total of 150 participants in the age range of 17-25;11 years were divided into three groups- Group I (17-19;11 years), Group II (20-22;11 years) and Group III (23-25;11 years) with equal number of male and female. The participants were asked to produce /pʌ/, /tʌ/, /kʌ/, /pʌtʌkʌ/, /a/&amp; /i/ for 5 seconds in Motor Speech Profile (MSP), at Computerized Speech Lab (CSL). The parameters such as Average DDK period (DDKavp), average DDK rate (DDKavr), Standard deviation(SD) of DDK period (DDKsdp), Coefficient of Variation of DDK period (DDKcdp), Perturbations of DDK period (DDKJit) and Coefficient of variation of the DDK peak intensity (DDKcvi) were selected for analysis.</div></div><div><h3>Result</h3><div>The effect of age was noted for Laryngeal DDK, the DDKavr of /a/ (<em>P = 0.008</em>) and /i/ (<em>P = 0.04</em>) and DDKcdp for /a/ (<em>P = 0.01</em>), the mean values of those parameters are higher for the individuals within the age of 23-25;11 years but no difference was observed across the age for Oral DDK. The effect of gender was noted for Laryngeal DDK, DDKsdp (<em>P = 0.007</em>) and DDKJit (<em>P = 0.04</em>) for /i/, the mean values are higher for females. For Oral DDK, DDKJit (<em>P</em> = 0.006) for /kʌ/ the mean values are higher for females.</div></div><div><h3>Conclusion</h3><div>The normative data has been established for the Tamil speakers. Age specific normative should be used during the DDK evaluation of speech disorders in MSP, CSL.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages 848.e1-848.e6"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35258643","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}