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Background <p>Hearing loss is highly prevalent among adults and is a major contributor to communication difficulties, particularly in older populations. Pure-tone audiometry (PTA) is routinely used to assess hearing sensitivity; however, threshold measurements alone may not fully reflect functional speech understanding. This study aimed to evaluate speech discrimination performance in a primary care otolaryngology population and to identify baseline factors associated with poor speech discrimination.</p> Methods <p>This retrospective observational study included patients who underwent PTA and word recognition score (WRS) testing at a primary care otolaryngology clinic between September 1, 2025, and January 20, 2026. Hearing levels were classified according to the World Health Organization (WHO) grading system based on better ear PTA. Poor speech discrimination was defined as better-ear WRS &lt; 70%. Multivariable logistic regression analysis was performed to identify factors associated with poor speech discrimination.</p> Results <p>A total of 503 patients were included, with a median age of 50 years (interquartile range [IQR], 35–63), and 43.7% were male. Twenty patients were excluded from hearing grade analyses due to invalid audiometric results. Poor speech discrimination was observed in 43 patients (8.9%). In multivariable analysis, higher better ear PTA (odds ratio [OR], 1.12 per 1-dB increase; 95% confidence interval [CI], 1.07–1.17; <i>p</i> &lt; 0.001) and older age (OR, 1.09 per 1-year increase; 95% CI, 1.03–1.15; <i>p</i> = 0.003) were independently associated with poor speech discrimination. Sex, noise exposure, and systemic comorbidities were not significantly associated with speech discrimination outcomes. Sensitivity analyses using alternative WRS thresholds yielded consistent results.</p> Conclusions <p>In a primary care otolaryngology population, poor speech discrimination is primarily associated with hearing threshold severity and age. Routine assessment of speech discrimination in addition to PTA may improve identification of patients at risk for functional communication impairment and facilitate earlier intervention.</p>

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Determinants of poor speech discrimination in a primary care otolaryngology population: a retrospective observational study

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月20日

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  • Chang Hyeon Lee,
  • Eun Su Kang,
  • Young Jin Lee,
  • Woohyen Jin,
  • Minjeong Ki,
  • Najin Son,
  • Hyun Ji Kim,
  • Seung-chan Yang

摘要

Background

Hearing loss is highly prevalent among adults and is a major contributor to communication difficulties, particularly in older populations. Pure-tone audiometry (PTA) is routinely used to assess hearing sensitivity; however, threshold measurements alone may not fully reflect functional speech understanding. This study aimed to evaluate speech discrimination performance in a primary care otolaryngology population and to identify baseline factors associated with poor speech discrimination.

Methods

This retrospective observational study included patients who underwent PTA and word recognition score (WRS) testing at a primary care otolaryngology clinic between September 1, 2025, and January 20, 2026. Hearing levels were classified according to the World Health Organization (WHO) grading system based on better ear PTA. Poor speech discrimination was defined as better-ear WRS < 70%. Multivariable logistic regression analysis was performed to identify factors associated with poor speech discrimination.

Results

A total of 503 patients were included, with a median age of 50 years (interquartile range [IQR], 35–63), and 43.7% were male. Twenty patients were excluded from hearing grade analyses due to invalid audiometric results. Poor speech discrimination was observed in 43 patients (8.9%). In multivariable analysis, higher better ear PTA (odds ratio [OR], 1.12 per 1-dB increase; 95% confidence interval [CI], 1.07–1.17; p < 0.001) and older age (OR, 1.09 per 1-year increase; 95% CI, 1.03–1.15; p = 0.003) were independently associated with poor speech discrimination. Sex, noise exposure, and systemic comorbidities were not significantly associated with speech discrimination outcomes. Sensitivity analyses using alternative WRS thresholds yielded consistent results.

Conclusions

In a primary care otolaryngology population, poor speech discrimination is primarily associated with hearing threshold severity and age. Routine assessment of speech discrimination in addition to PTA may improve identification of patients at risk for functional communication impairment and facilitate earlier intervention.