International journal of women's health · 2025
Linking Lipid Profile to Stress Urinary Incontinence in US Women: A National Cross-Sectional Study.
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Lu Mingjing, Zhang Yingshan, Yang Qian, Huang Jinfa, Deng Kaixian
Аннотация
OBJECTIVE: Stress urinary incontinence (SUI) is a common pelvic floor disorder in women, yet the role of lipid metabolism in its occurrence remains unclear. This study investigated the association between lipid parameters and SUI in women.
METHODS: This study analyzed data from the 2005-2018 National Health and Nutrition Examination Survey (NHANES), including 7,892 women. SUI was identified via questionnaire, and lipid levels were measured using standardized laboratory methods. Weighted multivariable logistic regression examined the association between lipid levels and SUI, while restricted cubic splines (RCS) assessed potential nonlinear relationships. Subgroup analyses explored effect modifications.
RESULTS: Higher remnant cholesterol (RC), total cholesterol (TC) and low-density lipoprotein cholesterol (LDL-C) were significantly associated with increased SUI risk (P < 0.05), with a significant positive trend (P for trend < 0.05). RCS analysis indicated a linear relationship between RC and SUI, while TC and LDL-C showed nonlinear associations with inflection points at 4.97 and 2.85 mmol/L, respectively. High-density lipoprotein cholesterol (HDL-C) exhibited a U-shaped relationship, with the lowest SUI risk at 1.47 mmol/L. Subgroup analyses showed stronger associations for RC in women <65 years and those without hypertension, while TC and LDL-C had a greater impact in women without hypertension or oral contraceptive use.
CONCLUSION: Elevated RC, TC, and LDL-C may increase SUI risk, while both low and high HDL-C levels may also contribute. These findings highlight the role of lipid metabolism in SUI and support early screening and metabolic intervention strategies.
METHODS: This study analyzed data from the 2005-2018 National Health and Nutrition Examination Survey (NHANES), including 7,892 women. SUI was identified via questionnaire, and lipid levels were measured using standardized laboratory methods. Weighted multivariable logistic regression examined the association between lipid levels and SUI, while restricted cubic splines (RCS) assessed potential nonlinear relationships. Subgroup analyses explored effect modifications.
RESULTS: Higher remnant cholesterol (RC), total cholesterol (TC) and low-density lipoprotein cholesterol (LDL-C) were significantly associated with increased SUI risk (P < 0.05), with a significant positive trend (P for trend < 0.05). RCS analysis indicated a linear relationship between RC and SUI, while TC and LDL-C showed nonlinear associations with inflection points at 4.97 and 2.85 mmol/L, respectively. High-density lipoprotein cholesterol (HDL-C) exhibited a U-shaped relationship, with the lowest SUI risk at 1.47 mmol/L. Subgroup analyses showed stronger associations for RC in women <65 years and those without hypertension, while TC and LDL-C had a greater impact in women without hypertension or oral contraceptive use.
CONCLUSION: Elevated RC, TC, and LDL-C may increase SUI risk, while both low and high HDL-C levels may also contribute. These findings highlight the role of lipid metabolism in SUI and support early screening and metabolic intervention strategies.