医学
肾功能
肾脏疾病
内科学
统计显著性
高磷血症
危险系数
比例危险模型
逻辑回归
共病
人口学
置信区间
社会学
作者
Gianmarco Lombardi,Pietro Manuel Ferraro,Elisa De Tomi,Matteo Bargagli,Andrea Spasiano,Giovanni Gambaro
摘要
Chronic kidney disease (CKD) is a growing global health concern. Recent research has indicated sex disparities in CKD-related complications, yet the impact of sex differences on critical kidney function levels that trigger these complications and mortality remains inadequately documented.We investigated sex-specific disparities in CKD-related complications and mortality according to eGFR levels. We analyzed NHANES data spanning from 1999 to 2018, including adult participants with an eGFR of 15-150 ml/min per 1.73m². The outcomes were CKD-related complications (hypertension, anaemia, CV diseases, acidosis, hyperphosphatemia, hyperparathyroidism) and all-cause and cause-specific mortality (CV mortality and non-CV mortality). Sex-stratified multivariable logistic and Cox regression models yielded odds ratios (ORs) and hazard ratios (HRs) for the relationship between eGFR categories and outcomes. Sex-stratified natural splines were used to explore the relationship between continuous eGFR and outcomes and identified eGFR thresholds of statistical significance.The study included 49 558 participants (50.3% women, 49.7% men). Multivariable logistic regression demonstrated a significant eGFR association with all CKD-related complications, exhibiting a linear trend across eGFR categories. Modelling eGFR as a natural spline revealed varied significance thresholds between sexes for anaemia and hyperparathyroidism. Additionally, the eGFR-hyperphosphatemia association was more pronounced in men. We observed substantial but not statistically significant differences between men and women in the thresholds of statistical significance for CV (significance appeared at a higher eGFR in men) and non-CV mortality (significance appeared at a higher eGFR in women).Research shows sex disparities in most CKD-related complications. Men develop anaemia and hyperparathyroidism earlier, women show steeper anaemia increase. Men have higher CV mortality risk. As eGFR decreased, men faced a higher risk of CV mortality at a higher eGFR threshold than women.
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