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Health-related quality of life and health utilities in insulin-treated type 2 diabetes: the impact of related comorbidities/complications

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Abstract

Objective

To evaluate the impact of multiple comorbidities/complications on health-related quality of life (HRQoL) and health utilities in insulin-treated type 2 diabetes (T2DM).

Methods

In a non-interventional, epidemiological study, data were collected from medical records and via interviews for 938 subjects from various geographical areas of Greece. HRQoL and health utilities were explored with the EQ-5D-5L. Univariate associations were evaluated with the Mann–Whitney and Kruskal–Wallis tests for continuous and Chi-squared tests for nominal variables, and binary logistic regressions were employed to obtain marginal effects. Employing a split sample approach, various specifications of ordinary least squares regression models were evaluated in terms of goodness of fit, model specification, shrinkage and predictive and discriminative performance, to select the best model for mapping health utilities using the whole dataset.

Results

Overall, the most important factors of impaired HRQoL and health utilities were higher age, female gender, obesity, poor glycemic control and increased duration of insulin treatment. History and increasing concurrence of all complications assessed were associated with exacerbated HRQoL problems, decreased health utilities and diminished health state, although it was not always statistically significant. The highest disutilities were associated with stroke (− 0.082), diabetic retinopathy (− 0.066), diabetic neuropathy (− 0.051) and severe hypoglycemia (− 0.050).

Conclusions

The deleterious impact of comorbidities on insulin-dependent T2DM subjects’ HRQoL has been confirmed and clinicians should adapt the priorities of disease management accordingly. The derived health utility estimates may be valuable for conducting economic evaluations of interventions in the area of T2DM when data are not available.

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The authors would like to thank two anonymous reviewers for their helpful comments that contributed to improving the final version of the paper.

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  1. School of Economics and Political Sciences, National and Kapodistrian University of Athens, 6 Themistokleous Street, 106 78, Athens, Greece

    John Yfantopoulos & Athanasios Chantzaras

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Yfantopoulos, J., Chantzaras, A. Health-related quality of life and health utilities in insulin-treated type 2 diabetes: the impact of related comorbidities/complications. Eur J Health Econ 21, 729–743 (2020). https://doi.org/10.1007/s10198-020-01167-y

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