The abstract is read at the publisher; the summary is JClub's.
Each 1-year later diagnosis of type 1 diabetes in adults is linked to lower all-cause mortality risk (HR 0.98, 95% CI 0.98–0.99) in Sweden.
- Why it matters: It is unclear how age at type 1 diabetes onset relates to later mortality and organ-specific complications, which matters for risk stratification and follow-up planning.
- What they did: A retrospective Swedish cohort of 34,155 adults with type 1 diabetes (and 150,026 comparator individuals) was followed from first registry entry (1998–2019) to 2020 using Cox models.
- The result: Excess risk versus comparators was highest when diagnosis occurred at ages 0–10 years (all-cause HR 3.23; cardiovascular HR 5.73; noncardiovascular HR 3.01), implying earlier onset predicts worse outcomes.
The findingWhy it mattersWhat they didThe result
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