The abstract is read at the publisher; the summary is JClub's.
In adults with recent-onset type 1 diabetes in the German Diabetes Study (n=600), unsupervised clustering identified three subtypes, including a mixed group linked to earlier β-cell decline by 6·1 years.
- Why it matters: Adult-onset type 1 diabetes varies in clinical course and metabolism, but it is unclear whether this reflects distinct disease entities or different stages of one autoimmune process.
- What they did: Adults aged 18–69 with type 1 diabetes diagnosed within 12 months, plus GADA-positive individuals initially diagnosed with type 2 diabetes, were clustered using GADA status, fasting C-peptide, glucose, triglycerides, and HDL cholesterol; subtypes were validated in DPV (n=483).
- The result: The mixed type 1 diabetes subtype showed higher BMI, lower insulin sensitivity, better β-cell function, and was positioned 6·1 years (95% CI 4·6–7·8) earlier on the β-cell decline trajectory; hypoglycaemia, retinopathy, and cardiovascular autonomic neuropathy risks differed across subtypes.
The findingWhy it mattersWhat they didThe result
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