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KMID : 0371019970300030623
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Journal of Preventive Medicine and Public Health
1997 Volume.30 No. 3 p.623 ~ p.629
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Association between air conduction hearing threshold and blood viscosity in normal adult males
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Kim Sang-Woo
Lee Jong-Young
Park Wan-Seop
Woo Kuck-Hyeun
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Abstract
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This is cross-sectional study to evaluate a potential relationship between air conduction hearing threshold and blood viscosity in normal adult male$(n=1677). We measured hearing threshold in frequency level at 500, 1000, 2000, 4000Hz by pure-tone audiometry and RBC profiles containing red cell number, hemoglobin, hematocrit. Blood viscosity are replaced by hematocrit that are one major factor of influencing blood viscosity. PTAs(pure-tone averages) are measured by hearing threshold averages level at 500Hz, 1000Hz, 2000Hz. Grades of PTAs(pure-tone averages) are divided three groups that are less then 1O.OdB group, between 10.0-19.9dB group and excess 20. OdB.
The results shows significant association among hematocrit, red cell number and hearing loss(age adjust by ANACOVA).
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KEYWORD
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hearing threshold, hematocrit, blood viscosity, PTAs(pure-tone averages)
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