Significantly Increased Risk of All-Cause Mortality Among Type 2 Diabetes Patients Living Alone

Author:

Fu Liyao,Zhou Ying,Sun Jiaxing,Xing Zhenhua,Wang Yongjun,Tai Shi

Abstract

BackgroundThere is a lack of studies evaluating the association between living status and subsequent outcomes in patients with type 2 diabetes (T2DM).ObjectivesThis study aimed to assess the association between living alone and the risk of all-cause mortality in T2DM patients.MethodsWe performed a secondary analysis in patients with long-lasting T2DM from the Action to Control Cardiovascular Risk in Diabetes (ACCORD) study. The primary outcome was all-cause mortality. Multivariable Cox proportional hazard models was used to analyze and compare the hazard ratios (HRs) in patients living alone and with one or more adults.ResultsThis study included 10,249 patients with T2DM. Of these, 2,078 (20.28%) were living alone and 8,171 (79.72%) lived with one or more adults. Over a median total follow-up of 8.8 years, 1,958 patients developed the primary endpoint. The all-cause mortality rates in patients living alone or living with one or more adults were 23.24 and 18.05%, respectively. Cox proportional hazard analysis showed that T2DM patients living alone had significantly higher rate of all-cause mortality than those living with others (HR, 1.34; 95% confidence interval [CI], 1.20–1.48; p < 0.001). After multivariable adjustment, living alone was an independent risk factor for all-cause mortality in patients with T2DM (adjusted HR, 1.27; 95% CI, 1.14–1.41; p < 0.001). Furthermore, the risks of both congestive heart failure (CHF) and fatal coronary heart disease (CHD) among 4,050 propensity score-matched patients were higher for patients living alone (respectively HR, 1.37; 95% CI, 1.08–1.74; p = 0.010; and HR, 1.16; 95% CI, 1.00–1.34; p = 0.047).ConclusionsThe risk of all-cause mortality was significantly higher in T2DM patients living alone than in those living with one or more adults.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Hunan Province

Publisher

Frontiers Media SA

Subject

General Medicine

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