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The predictive study of the relation between elevated low-density lipoprotein cholesterol to high-density lipoprotein cholesterol ratio and mortality in peritoneal dialysis.


ABSTRACT: BACKGROUND:The low-density lipoprotein cholesterol to high-density lipoprotein cholesterol (LDL-C/HDL-C) ratio constitutes a strong risk predictor of cardiovascular events. However, the association between this ratio and cardiovascular death in peritoneal dialysis (PD) patients is uncertain. The study aimed to investigate whether a high LDL-C/HDL-C ratio could predict both cardiovascular and all-cause mortalities in patients on PD. METHODS:A total of 1616 incident patients on PD included from January 1, 2006 to December 31, 2013 were followed up with until 31 December 2018 in this single-center prospective cohort study. Participants were divided into three categories according to LDL-C/HDL-C ratio tertile. The primary endpoint was cardiovascular mortality; the secondary endpoint was all-cause mortality. RESULTS:The mean age of the study cohort was 47.5?years and the mean body mass index (BMI) was 21.6?kg/m2. During a median follow-up period of 47.6?months, 492 patients died, including 246 (50.0%) due to cardiovascular disease (CVD). A multivariate analysis revealed that the highest LDL-C/HDL-C ratio tertile was significantly associated with increased CVD mortality [hazard ratio (HR): 1.69, 95% CI: 1.24-2.29; P?= 0.001] and all-cause mortality (HR: 1.46, 95% CI: 1.18-1.81; P?= 0.001) relative to the lowest tertile. After adjusting for covariates, the HRs of cardiovascular and all-cause mortalities were 1.84 (95% CI: 1.25-2.71; P = 0.002) and 1.35 (95% CI: 1.03-1.77; P = 0.032). Subgroup analysis showed that the risk of CVD death rose with a higher LDL-C/HDL-C ratio among PD patients who were female, younger than 65?years old, without being malnourished (BMI???18.5?kg/m2 or albumin ?35?g/L), and with a history of diabetes or CVD, respectively. CONCLUSIONS:A high LDL-C/HDL-C ratio is an independent risk factor for both cardiovascular and all-cause mortalities among PD patients.

SUBMITTER: Lin T 

PROVIDER: S-EPMC7085176 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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The predictive study of the relation between elevated low-density lipoprotein cholesterol to high-density lipoprotein cholesterol ratio and mortality in peritoneal dialysis.

Lin Tong T   Xia Xi X   Yu Jing J   Qiu Yagui Y   Yi Chunyan C   Lin Jianxiong J   Mao Haiping H   Yang Xiao X   Huang Fengxian F  

Lipids in health and disease 20200321 1


<h4>Background</h4>The low-density lipoprotein cholesterol to high-density lipoprotein cholesterol (LDL-C/HDL-C) ratio constitutes a strong risk predictor of cardiovascular events. However, the association between this ratio and cardiovascular death in peritoneal dialysis (PD) patients is uncertain. The study aimed to investigate whether a high LDL-C/HDL-C ratio could predict both cardiovascular and all-cause mortalities in patients on PD.<h4>Methods</h4>A total of 1616 incident patients on PD i  ...[more]

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