• Mia Vicki Fangel, Peter Brønnum Nielsen, Jette Kolding Kristensen, Torben Bjerregaard Larsen, Thure Filskov Overvad, Gregory Yh Lip, and Martin Bach Jensen.
• Center for General Practice at Aalborg University, Aalborg, Denmark. Electronic address: fangel@dcm.aau.dk.
• Am. J. Med. 2020 Jun 1; 133 (6): e269-e279.

BackgroundAlbuminuria level is associated with cardiovascular events and mortality in patients with diabetes. However, little is known about the association between albuminuria level in diabetes patients without overt cardiovascular disease. We aimed to examine the association between albuminuria level and the risk of ischemic stroke, myocardial infarction, and all-cause mortality in patients with type 2 diabetes without overt cardiovascular disease.MethodsWe linked Danish nationwide registries to identify patients with type 2 diabetes without cardiovascular disease from May 2005 through June 2015. Patients were followed for the outcomes ischemic stroke, myocardial infarction, and all-cause mortality until December 31, 2015. Albuminuria level was based on 2 consecutive measurements of the urinary albumin excretion rate or albumin-to-creatinine ratio. Associations between albuminuria level and incidence of cardiovascular disease and mortality were evaluated with Cox proportional hazard regression.ResultsThe study population consisted of 69,532 patients with type 2 diabetes without cardiovascular disease. When comparing patients with microalbuminuria to patients with normoalbuminuria, in an analysis adjusted for cardiovascular risk factors, we found hazard ratios of 1.28 (95% confidence interval [CI], 1.07-1.52), 1.34 (95% CI, 1.10-1.62), and 1.48 (95% CI, 1.36-1.61) for ischemic stroke, myocardial infarction, and all-cause mortality, respectively. For macroalbuminuria, the hazard ratios were 1.81 (95% CI, 1.46-2.23), 1.99 (95% CI, 1.59-2.48), and 1.83 (95% CI, 1.64-2.04). Similar results were found after adjusting for concomitant medication.ConclusionsThis study showed that albuminuria level is associated with higher risk of incident ischemic stroke, myocardial infarction, and all-cause mortality in Type 2 diabetes patients without overt cardiovascular disease.Copyright © 2020 Elsevier Inc. All rights reserved.

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