Analysis of functional voice disorders at an interdisciplinary voice clinic

The study addresses this gap by describing the incidence and nature of FVDs in adults attending an interdisciplinary voice clinic in Pretoria, South Africa. The data was obtained from the interdisciplinary Voice Clinic’s database of patient records. A retrospective quantitative research design was employed. The data was sourced from a voice clinic's secure medical database. Patients over eighteen years with confirmed FVDs diagnosed between January 2017 and July 2022 were included. The data was analysed using Statistic Package Social Sciences version 28 (SPSS). The extracted data was used to determine the incidence and nature of FVDs. Descriptive and inferential statistics were used. In the analysis, the Mann-Whitney test was employed to assess potential differences between Occupational Voice Users (OVUs) and non Occupational Voice Users. 

The statistic was utilized for comparisons and for interpretation to understand potential significant differences between OVUs and non-OVUs in relation to p values. A retrospective quantitative study design was utilised to describe the incidence and nature of FVDs at an interdisciplinary voice clinic in SA. Of the total 516 patients with voice disorders seen between January 2017 and July 2022, 16.67% had FVDs, with muscle tension dysphonia being the most prevalent primary diagnosis. The most common secondary diagnosis was laryngeal pharyngeal reflux (39.5%). Patients with FVDs presented with a variety of signs and symptoms, with hoarseness being the most common. No significant differences were found between occupational voice users and non-occupational voice users.

本研究通过描述南非普利托里亚跨学科嗓音诊所中成年患者中功能性发声障碍（FVDs）的发生率和性质，来填补这一研究空白。数据来源于跨学科嗓音诊所的患者病历数据库。采用回顾性定量研究设计，数据源自一家嗓音诊所的安全医疗数据库。纳入了2017年1月至2022年7月间被确诊为FVDs且年龄超过18岁的患者。数据分析使用的是统计软件包社会科学版28（SPSS）。提取的数据被用于确定FVDs的发生率和性质。在分析中，采用曼-惠特尼检验来评估职业嗓音使用者（OVUs）与非职业嗓音使用者之间的潜在差异。该统计量被用于比较和解释，以理解OVUs与非OVUs之间在p值方面的潜在显著差异。采用回顾性定量研究设计，描述了南非跨学科嗓音诊所中FVDs的发生率和性质。在2017年1月至2022年7月间接受治疗的516名嗓音障碍患者中，16.67%的患者患有FVDs，其中肌肉紧张性发声障碍是最常见的原发性诊断。最常见的继发性诊断是喉咽反流（39.5%）。患有FVDs的患者表现出各种症状和体征，其中声音嘶哑最为常见。在职业嗓音使用者和非职业嗓音使用者之间没有发现显著差异。