Relationships of pancreatic beta-cell function with microalbuminuria and glomerular filtration rate in middle-aged and elderly population without type 2 diabetes mellitus: a Chinese community-based analysis

Fu S, Zhou S, Luo L, Ye P
2017 Clinical Interventions in Aging  
Shihui Fu,1,2 Shanjing Zhou,3 Leiming Luo,1 Ping Ye1 1Department of Geriatric Cardiology, 2Department of Cardiology and Hainan Branch, 3Department of Traditional Chinese Medicine and Hainan Branch, Chinese People's Liberation Army General Hospital, Beijing, People's Republic of China Background: Relationships of pancreatic beta-cell function abnormality with microalbuminuria (MA) and glomerular filtration rate (GFR) may differ by age, ethnicity and accompanied diseases. Previous studies were
more » ... erally conducted in Western adult patients with type 2 diabetes mellitus (T2DM), and it is uncertain whether pancreatic beta-cell function is associated with MA and GFR in Chinese community-dwelling middle-aged and elderly population without T2DM. We therefore examined the relationships of pancreatic beta-cell function with two indices of renal damage, MA and GFR, in Chinese community-dwelling middle-aged and elderly population without T2DM.Methods: This analysis focused on 380 Beijing residents older than 45 years who were free of T2DM and completed the evaluation of pancreatic beta-cell function.Results: Median age was 67 (49–80) years. Levels of triglyceride, diastolic blood pressure and homeostasis model assessment-beta (HOMA-beta) index were positively related to urine microalbumin (P<0.05 for all). Age, low-density lipoprotein cholesterol levels and HOMA-beta index were inversely correlated with GFR, while high-density lipoprotein cholesterol levels were positively correlated with GFR (P<0.05 for all). In all three adjustment models, there was a significant positive association between HOMA-beta index and MA; subjects with higher beta-cell function had higher odds of MA (P<0.05 for all). There was no association between HOMA-beta index and GFR <60 mL/min/1.73 m2 in any model (P>0.05 for all).Conclusion: Modeling the pancreatic beta-cell function with different adjusted variables provided the same conclusion of association with MA; beta-cell function was positively associated with MA. Additionally, there was a speci [...]
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