Abstract
Objective The objective of this study was to evaluate the impact of initiation of insulin therapy, metabolic control and structured patient education on the diabetes-related quality of life (QoL) in insulin-treated patients with type 2 diabetes mellitus. Methods This prospective study was conducted with 71 consecutively recruited patients with insulin-treated diabetes at the University hospital. All patients participated an inpatient diabetes treatment and teaching program (DTTP) for conventional insulin therapy (mean age 68.9 years, HbA1c 10.1 ± 1.4%, diabetes duration 11.2 years (range: 0–25.5 years), body-mass-index 28.7 ± 5.7 kg/m 2. Diabetes-related quality of life was assessed before and 6 months after participation in the DTTP using the standardized questionnaire of Lohr analysing the subscales: social relations, physical complaints, worries about the future, dietary restrictions, fear of hypoglycaemia, and daily struggles. Results Only patients switched on insulin therapy showed significant improvement in diabetes-related quality of life 6 months after participation in the DTTP ( p = 0.03), fewer physical complaints ( p = 0.03), fewer worries about the future ( p = 0.02), fewer daily struggles ( p = 0.01) and less fear of hypoglycaemia ( p < 0.001), while patients, who were already on insulin therapy showed no improvements in diabetes-related quality of life. Though, residual analysis reveals that effects on patients’ QoL are mainly caused by improvements in metabolic control. Conclusions Improvements in metabolic control have a significant effect on different diabetes-related quality of life domains in patients with diabetes mellitus. Practice implications Appropriate interventions resulting in better metabolic control, such as starting on insulin therapy within a structured patient education program seem to be an effective approach to improve patients’ diabetes-related quality of life.
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