期刊
KIDNEY INTERNATIONAL REPORTS
卷 7, 期 3, 页码 410-423出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ekir.2021.11.018
关键词
chronic kidney disease; competing risks; gender disparity; kidney replacement therapy; mortality; sex-specific differences
资金
- AstraZeneca
- Fresenius Medical Care
- Amgen
- Austrian Science Fund [KL754-B]
- GlaxoSmithKline
- Vifor Fresenius
- Travere
Sex-specific differences in clinical outcomes among individuals with CKD were analyzed. More men than women started kidney replacement therapy (KRT), with higher rates of dialysis initiation and transplantation. This finding suggests factors other than CKD progression contribute to the preponderance of men in the dialysis population.
Introduction: More men than women start kidney replacement therapy (KRT) although the prevalence of chronic kidney disease (CKD) is higher in women than men. We therefore aimed at analyzing sex-specific differences in clinical outcomes among 8237 individuals with CKD in stages 3 to 5 from Brazil, France, Germany, and the United States participating in the Chronic Kidney Disease Outcomes and Practice Patterns Study (CKDopps). Methods: Fine and Gray models, evaluating the effect of sex on time to events, were adjusted for age, Black race (model A); plus diabetes, cardiovascular disease, albuminuria (model B); plus estimated glomerular filtration rate (eGFR) slope during the first 12 months after enrollment and first eGFR after enrollment (model C). Results: There were more men than women at baseline (58% vs. 42%), men were younger than women, and men had higher eGFR (28.9 +/- 11.5 vs. 27.0 +/- 10.8 ml/min per 1.73 m(2)). Over a median follow-up of 2.7 and 2.5 years for men and women, respectively, the crude dialysis initiation and pre-emptive transplantation rates were higher in men whereas that of pre-KRT death was more similar. The adjusted subdistribution hazard ratios (SHRs) between men versus women for dialysis were 1.51 (1.27-1.80) (model A), 1.32 (1.10-1.59) (model B), and 1.50 (1.25-1.80) (model C); for pre-KRT death, were 1.25 (1.02-1.54) (model A), 1.14 (0.92-1.40) (model B), and 1.15 (0.93-1.42) (model C); for transplantation, were 1.31 (0.73-2.36) (model A), 1.44 (0.76-2.74) (model B), and 1.53 (0.79-2.94) (model C). Conclusion: Men had a higher probability of commencing dialysis before death, unexplained by CKD progression alone. Although the causal mechanisms are uncertain, this finding helps interpret the preponderance of men in the dialysis population.
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