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Is hearing impairment by audiometry as much a cognitive score as cognitive domain batteries?
1Regal Elderly Medicine, Suite J1 Professional Building 152-156 Pacific Highway, Tuggerah, NSW, 2259, Australia. regalelderlymedicine@gmail.com.
Purpose:
To assess the relationship between hearing impairment by audiometry and cognitive domain scores.
Methods:
124 clinic patients were categorized by screening audiometry into three groups. We examined 20 cognitive domain scores and eight composite scores.
Results:
The severely impaired hearing group was non-significantly older, and had lower function and higher prevalence of dementia than other subjects. After Bonferroni correction for multiple comparisons from P < 0.05 to P < 0.0014, the severely impaired hearing group had worse cognitive scores in 16 of 27 (59%) cognitive tests. Composite scores by cognitive domain tests passed were lowest for word-list memory (97% failed) followed by language (84%), attention (66%), visual intelligence (64%), and executive function (61%).
Conclusions:
Hearing impairment was conflated with 6 of 20 domain scores and two composite scores. Correlations to hearing were significant for age, function, and 21 of 22 cognitive domain scores.
