Journal
PLOS ONE
Volume 12, Issue 8, Pages -Publisher
PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pone.0183235
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Funding
- European Foundation for the Study of Diabetes (EFSD)
- German Diabetes Society (DDG)
- German Centre for Diabetes Research (DZD)
- Sanofi Aventis Deutschland GmbH
- diabetesDE
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Aims To assess differences in demographics, treatment and outcome of lean (LD) compared to overweight and obese people with diabetes clinically classified as type 2 diabetes mellitus (T2DM). Materials and methods We combined data from the German DIVE (Diabetes Versorgungs-Evaluation) and DPV (Diabetes-Patienten-Verlaufsdokumentation) databases to produce a large cohort of people with T2DM. The characteristics of people with Body Mass Index (BMI) < 25 kg/m(2), >= 25-30 kg/m(2) and >= 30 kg/m(2) aged 30 to 50 years were compared, including demographics, cardiovascular (CV) risk factors, comorbidities and outcomes. Results A total of 37,870 people were included in the analysis, 3,191 of these (8.4%) had a BMI < 25 kg/m(2). LD reported more nicotine (41.6% of 2,070 vs. 38.1% of 6,070 and 33.4% of 16,823; P<0.001) and alcohol consumption (12.0% of 1,282, 10.3% of 3,594 and 6.6% of 9,418; P<0.001) compared to overweight and obese people. More LD were treated with insulin in comparison to the other subgroups (short acting insulin 33.1% of 3,191 vs. 28.4% of 9,234 and 28.0% of 25,445; P<0.001; long acting insulin 31.3% of 3,191 vs. 28.9% of 9,234 and 29.3% of 25,445; P = 0.043). Regression models adjusted for age, gender and diabetes duration showed a 2.50 times higher odds ratio (OR) for hypoglycemia and a 2.52 higher OR for mortality in LD compared to the BMI subgroup >= 30 kg/m(2). Conclusions LD is associated with an increased risk of hypoglycaemia and death. Patients are characterized by male gender, lifestyle habits as smoking and alcohol consumption while cardiovascular comorbidities are less important. In comparison to patients of the other weight groups they are treated with insulin more often and considerably less with metformin.
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