• Zainab Shather, Anthony A Laverty, Alex Bottle, Hilary Watt, Azeem Majeed, Christopher Millett, and Eszter P Vamos.
• Public Health Policy Evaluation Unit, Imperial College London, UK.
• Am. J. Med. 2018 Nov 1; 131 (11): 1340-1348.

PurposeThis study aimed to determine changes in absolute and relative socioeconomic inequalities in hospital admissions for major cardiovascular causes among patients with diabetes in England.MethodsWe identified all patients with diabetes aged ≥45 years admitted to the hospital in England between 2004-2005 and 2014-2015 for acute myocardial infarction, stroke, percutaneous coronary intervention, or coronary artery bypass graft. We measured socioeconomic status using the Index of Multiple Deprivation. Diabetes-specific admission rates were calculated for each year by deprivation quintile. We assessed temporal changes using negative binomial regression models.ResultsMost admissions occurred among patients aged ≥65 years (71%) and men (63.3%). The number of admissions increased steadily from the least quintile to the most deprived quintile. Patients in the most deprived quintile had a 1.94-fold increased risk of acute myocardial infarction (95% confidence interval [CI], 1.79-2.10), 1.92-fold increased risk of stroke (95% CI, 1.78-2.07), 1.66-fold increased risk of coronary artery bypass graft (95% CI, 1.50-1.74), and 1.76-fold increased risk of percutaneous coronary intervention (95% CI, 1.64-1.89) compared with the least deprived group. Absolute differences in rates between the least and most deprived quintiles did not change significantly for acute myocardial infarction (P = .29) and were reduced for stroke, coronary artery bypass graft, and percutaneous coronary intervention (by 17.5, 15, and 11.8 per 100,000 patients with diabetes, respectively, P ≤ .01 for all).ConclusionsSocioeconomic inequalities persist in diabetes-related hospital admissions for major cardiovascular events in England. Besides improved risk stratification strategies that consider socioeconomically defined needs, wide-reaching population-based policy interventions are required to reduce inequalities in diabetes outcomes.Copyright © 2018. Published by Elsevier Inc.

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