Journal
DIABETES CARE
Volume 39, Issue 5, Pages 668-676Publisher
AMER DIABETES ASSOC
DOI: 10.2337/dc15-2439
Keywords
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Funding
- Bristol-Myers Squibb
- University of California, Irvine
- National Heart, Lung, and Blood Institute [HHSN-268201100005C, HHSN-268201100006C, HHSN-268201100007C, HHSN-268201100008C, HHSN-268201100009C, HHSN-268201100010C, HHSN-268201100011C, HHSN-268201100012C, HHSN-268201300046C, HHSN-268201300047C, HHSN-268201300048C, HHSN-268201300049C, HHSN-268201300050C]
- National Institute on Minority Health and Health Disparities
- National Center for Research Resources [UL1-TR-000040, UL1-RR-025005]
- [N01-HC-95159]
- [N01-HC-95160]
- [N01-HC-95161]
- [N01-HC-95162]
- [N01-HC-95163]
- [N01-HC-95164]
- [N01-HC-95165]
- [N01-HC-95166]
- [N01-HC-95167]
- [N01-HC-95168]
- [N01-HC-95169]
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OBJECTIVE Controlling cardiovascular disease (CVD) risk factors in diabetes mellitus (DM) reduces the number of CVD events, but the effects of multifactorial risk factor control are not well quantified. We examined whether being at targets for blood pressure (BP), LDL cholesterol (LDL-C), and glycated hemoglobin (HbA(1c)) together are associated with lower risks for CVD events in U.S. adults with DM. RESEARCH DESIGN AND METHODS We studied 2,018 adults, 28-86 years of age with DM but without known CVD, from the Atherosclerosis Risk in Communities (ARIC) study, Multi-Ethnic Study of Atherosclerosis (MESA), and Jackson Heart Study (JHS). Cox regression examined coronary heart disease (CHD) and CVD events over a mean 11-year follow-up in those individuals at BP, LDL-C, and HbA(1c) target levels, and by the number of controlled risk factors. RESULTS Of 2,018 DM subjects (43% male, 55% African American), 41.8%, 32.1%, and 41.9% were at target levels for BP, LDL-C, and HbA(1c), respectively; 41.1%, 26.5%, and 7.2% were at target levels for any one, two, or all three factors, respectively. Being at BP, LDL-C, or HbA(1c) target levels related to 17%, 33%, and 37% lower CVD risks and 17%, 41%, and 36% lower CHD risks, respectively (P < 0.05 to P < 0.0001, except for BP in CHD risk); those subjects with one, two, or all three risk factors at target levels (vs. none) had incrementally lower adjusted risks of CVD events of 36%, 52%, and 62%, respectively, and incrementally lower adjusted risks of CHD events of 41%, 56%, and 60%, respectively (P < 0.001 to P < 0.0001). Propensity score adjustment showed similar findings. CONCLUSIONS Optimal levels of BP, LDL-C, and HbA(1c) occurring together in individuals with DM are uncommon, but are associated with substantially lower risk of CHD and CVD.
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