Jing Xue1,2, Yuxia Wang2, Bing Li2, Songyan Yu2, Anping Wang2, Weiqing Wang3, Zhengnan Gao4, Xulei Tang5, Li Yan6, Qin Wan7, Guijun Qin8, Lulu Chen9, Guang Ning3, Yiming Mu10,11. 1. Medical School of Chinese PLA, Beijing, China. 2. Department of Endocrinology, The First Medical Center of Chinese PLA General Hospital, No.28 Fuxing Road, Haidian district, Beijing, 100853, China. 3. Shanghai Jiaotong University Affiliated Ruijin Hospital, Shanghai, China. 4. Center Hospital of Dalian, Dalian, Liaoning, China. 5. First Hospital of Lanzhou University, Lanzhou, Gansu, China. 6. Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China. 7. Affiliated Hospital of Luzhou Medical College, Luzhou, Sichuan, China. 8. Zhengzhou University First affiliated Hospital, Zhengzhou, Henan, China. 9. Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China. 10. Medical School of Chinese PLA, Beijing, China. muyiming@301hospital.com.cn. 11. Department of Endocrinology, The First Medical Center of Chinese PLA General Hospital, No.28 Fuxing Road, Haidian district, Beijing, 100853, China. muyiming@301hospital.com.cn.
Abstract
BACKGROUND: Dyslipidemia contributes to the pathogenesis of renal dysfunction. Previous research demonstrated that triglycerides (TG), instead of other individual lipid indexes, has a significant link with elevated urinary albumin-to-creatinine ratio (UACR). However, it is unclear whether lipid ratios are superior indicators of increased UACR compared with TG. This research is to determine whether there are close relationships of lipid ratios with UACR in a general population. METHODS: 35,751 participants from seven centers across China were enrolled. UACR equal or higher than 30 mg/g was recognized as increased albuminuria. The associations of TG, low-density lipoprotein cholesterol (LDL-C)/ high-density lipoprotein cholesterol (HDL-C), TG/HDL-C and non-high-density lipoprotein cholesterol (non-HDL-C)/HDL-C with increased UACR were evaluated by linear and logistic regression analyses in females and males separately. RESULTS: There were 3692 (14.8%) female subjects, and 1307 (12.0%) male subjects characterized as having increased UACR. There were significantly differences in TG/HDL-C and non-HDL-C/HDL-C between the normal UACR group and the increased UACR group, while LDL-C/HDL-C was not. Furthermore, linear regression analysis was implemented and showed that TG and TG/HDL-C were both positively related to UACR even after a variety of potential confounders were adjusted regardless of sexes, while the correlation between non-HDL-C/HDL-C and elevated UACR were only significant in females. Further analyses utilizing logistic regression demonstrated that compared with non-HDL-C/HDL-C and TG, TG/HDL-C showed the strongest association with increased UACR (quartile 1 of TG/HDL-C as a reference; OR [95% CI] of quartile 4: 1.28 [1.13-1.44] in women, 1.24 [1.02-1.50] in men) after fully adjusting for potential confounding factors. Stratified analyses revealed that in males who were overweight and in females who were overweight or over 55 years or had prediabetes or prehypertension, TG/HDL-C had significant associations with abnormal UACR. CONCLUSIONS: Compared with TG and other routine lipid ratios, TG/HDL-C is a superior indicator for increased UACR.
BACKGROUND:Dyslipidemia contributes to the pathogenesis of renal dysfunction. Previous research demonstrated that triglycerides (TG), instead of other individual lipid indexes, has a significant link with elevated urinary albumin-to-creatinine ratio (UACR). However, it is unclear whether lipid ratios are superior indicators of increased UACR compared with TG. This research is to determine whether there are close relationships of lipid ratios with UACR in a general population. METHODS: 35,751 participants from seven centers across China were enrolled. UACR equal or higher than 30 mg/g was recognized as increased albuminuria. The associations of TG, low-density lipoprotein cholesterol (LDL-C)/ high-density lipoprotein cholesterol (HDL-C), TG/HDL-C and non-high-density lipoprotein cholesterol (non-HDL-C)/HDL-C with increased UACR were evaluated by linear and logistic regression analyses in females and males separately. RESULTS: There were 3692 (14.8%) female subjects, and 1307 (12.0%) male subjects characterized as having increased UACR. There were significantly differences in TG/HDL-C and non-HDL-C/HDL-C between the normal UACR group and the increased UACR group, while LDL-C/HDL-C was not. Furthermore, linear regression analysis was implemented and showed that TG and TG/HDL-C were both positively related to UACR even after a variety of potential confounders were adjusted regardless of sexes, while the correlation between non-HDL-C/HDL-C and elevated UACR were only significant in females. Further analyses utilizing logistic regression demonstrated that compared with non-HDL-C/HDL-C and TG, TG/HDL-C showed the strongest association with increased UACR (quartile 1 of TG/HDL-C as a reference; OR [95% CI] of quartile 4: 1.28 [1.13-1.44] in women, 1.24 [1.02-1.50] in men) after fully adjusting for potential confounding factors. Stratified analyses revealed that in males who were overweight and in females who were overweight or over 55 years or had prediabetes or prehypertension, TG/HDL-C had significant associations with abnormal UACR. CONCLUSIONS: Compared with TG and other routine lipid ratios, TG/HDL-C is a superior indicator for increased UACR.
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