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KMID : 1141520230380060729
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Endocrinology and Metabolism
2023 Volume.38 No. 6 p.729 ~ p.738
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Exploring the Association between Thyroid Function and Frailty: Insights from Representative Korean Data
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Lee Youn-Ju
Kim Min-Hee
Lim Dong-Jun
Lee Jung-Min
Chang Sang-Ah
Lee Jeong-Min
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Abstract
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Background: This study investigates the association between thyroid function and frailty in the old patients using representative data.
Methods: The study was conducted using data from the Korea National Health and Nutrition Examination Survey conducted from 2013 to 2015. The study population included 2,416 participants aged 50 years and older with available thyroid function test data. Frailty assessment was performed using the Fried frailty phenotype. The prevalence of frailty was analyzed across different thyroid diseases and thyroid function parameters.
Results: The significant association between thyroid dysfunction and frailty was observed in overt hyperthyroidism and subclinical hyperthyroidism. After adjusting for various factors, the association between thyroid dysfunction and frailty remained significant. On the other hand, overt hypothyroidism did not show a significant association with frailty in the adjusted analysis. For individuals with overt hyperthyroidism and subclinical hyperthyroidism, higher levels of free thyroxine (FT4) were significantly associated with an increased risk of frailty (aOR >999; 95% CI, >999 to 999). Among individuals with overt hypothyroidism, lower level of FT4 levels and high thyrotropin (TSH) levels showed a significant association with frailty risk (FT4: aOR, <0.01; TSH: aOR, 999). In participants with subclinical hypothyroidism, there were no significant associations between parameters for thyroid and frailty risk.
Conclusion: These findings suggest that thyroid dysfunction, particularly overt hyperthyroidism and subclinical hyperthyroidism, may be associated with an increased risk of frailty in the old patients.
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KEYWORD
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Frailty, Thyroid, Thyroid function tests, Aged
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