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KMID : 1041720230350010038
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Annals of Occupational and Environmental Medicine
2023 Volume.35 No. 1 p.38 ~ p.38
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Association between hearing loss and high-sensitivity C-reactive protein: the Kangbuk Samsung Cohort Study
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Kim Ji-Hoon
Lee Ye-Sung
Seo Eun-Hye
Kim Dae-Hoon
Lee Jae-Hong
Jeong You-Shik
Kwon Seong-Hyun
Jeong Jin-Sook
Lee Won-Cheol
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Abstract
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Background : Hearing loss (HL) is linked to an elevated risk of cardiovascular diseases (CVDs). The pathogeneses of HL and CVD commonly involve inflammatory responses. Previous studies investigated elevated levels of inflammatory biomarkers in subjects with HL, however, their findings did not demonstrate statistical significance. In our cross-sectional and longitudinal study, we investigated the correlation between HL and increased high-sensitivity C-reactive protein (hsCRP) levels to determine how HL is associated with CVDs.
Methods : We conducted a cross-sectional study with workers aged over 18 years who underwent health check-ups at our institution between 2012 and 2018 (n = 566,507), followed by conducting a longitudinal study of workers aged > 18 who underwent health checkups at least twice at our institution between 2012 and 2018 (n = 173,794). The definition of HL was as an average threshold of ≥ 20 dB in pure-tone air conduction at 0.5, 1.0, and 2.0 kHz in both ears. The incidence of increased hsCRP levels throughout the follow-up period was defined as a level exceeding 3 mg/L. Logistic regression and generalized estimating equations were performed to estimate the risk of increased hsCRP levels according to the occurrence of HL in groups stratified by age.
Results : In the cross-sectional study, the multivariate-adjusted odds ratio (OR) was 1.17 (95% confidence interval [CI]: 1.02?1.34); the OR was 0.99 (95% CI: 0.80?1.22) in those under 40 and 1.28 (1.08?1.53) in those over 40. In the longitudinal study, the multivariable-adjusted OR was 1.05 (95% CI: 0.92?1.19); the OR was 1.10 (95% CI: 0.90?1.35) in those under 40 and 1.20 (1.01?1.43) in those over 40.
Conclusions : This cross-sectional and longitudinal study identified an association between HL and increased hsCRP levels in workers aged over 40 years.
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KEYWORD
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Hearing loss, High sensitivity C-reactive protein, Cardiovascular disease, Cross-sectional study, Longitudinal study
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