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Factors influencing the quality of life perception in patients with type 2 diabetes mellitus

Authors Timar R, Velea I, Timar B, Lungeanu D, Oancea C, Roman D, Mazilu O

Received 17 October 2016

Accepted for publication 17 November 2016

Published 8 December 2016 Volume 2016:10 Pages 2471—2477

DOI https://doi.org/10.2147/PPA.S124858

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Colin Mak

Peer reviewer comments 2

Editor who approved publication: Dr Johnny Chen

Romulus Timar,1 Iulian Velea,2 Bogdan Timar,3 Diana Lungeanu,3 Cristian Oancea,4 Deiana Roman,5 Octavian Mazilu6

1Second Department of Internal Medicine, 2Department of Pediatrics, 3Department of Functional Sciences, 4Department of Infectious Diseases, 5Faculty of General Medicine, “Victor Babes” University of Medicine and Pharmacy, 6First Department of Surgery, “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania


Purpose: To evaluate the impact of several factors on the patient’s perception on quality of life in a group of patients with type 2 diabetes mellitus (T2DM).
Patients and methods: In this cross-sectional study, 198 patients with T2DM were enrolled according to a consecutive-case population-based study design. In all participants, the perception on the quality of life was measured using the quality of life index – diabetes version III proposed by Ferrans and Powers. We evaluated the impact of several anthropometric and diabetes-related (ie, diabetes history and quality of glycemic control) factors on the patient’s perception on the quality of life.
Results: The presence of diabetes complications was associated with a decreased quality of life: retinopathy (1 vs 5 points; P<0.001), chronic kidney disease (-1 vs 5 points; P<0.001), and neuropathy (-1 vs 5 points; P<0.001). A significant reverse correlation was found between the patient’s quality of life and depression’s severity (Spearman’s r=-0.345; P<0.001) and body mass index (Spearman’s r=-0.158; P=0.026). A positive association between the quality of life and the quality of diabetes-related self-care activities was found (Spearman’s r=0.338; P<0.001). No significant association was found between the patient’s quality of life and the quality of glycemic control, diabetes duration, age, gender, or smoking status.
Conclusion: To improve the patient’s quality of life, special care should be given to the modifiable diabetes-related factors: the prevention and treatment of diabetes complications, treatment of depression, and weight loss in obese and overweight patients.

Keywords: quality of life, type 2 diabetes, diabetes complications, diabetes-related self-care activities

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