CohortJournal of intellectual disability research : JIDR2026

Age-Specific Diagnostic Panorama Among People With Intellectual Disabilities in Comparison With the General Population: A Longitudinal Register Study (IDcare).

Magnus Sandberg, Jimmie Kristensson, Anna Axmon

PMID 41408913

WHAT IT FOUND

People with ID had higher recorded risk for diagnoses in most body systems, with risk often falling with age.

Neoplasms were the exception, with lower risk across all ages. These are register patterns, not evidence of treatment effects.

Key findings

01The ID cohort had higher risk for diagnoses in most body systems, often with an age-related decline.

02Neoplasms had lower risk in the ID cohort than in the general population across all age groups.

03In some chapters, even the lowest-risk diagnostic blocks were still more common in the ID cohort than in the general population.

STILL TO COME

How it was doneWhat they found

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What it does not show

The study did not examine why risks differed, so patterns cannot be read as causal. Results come from public healthcare records, so diagnoses made only in private care were not captured. Many comparisons were made, so some findings may be chance findings. Aggregating diagnoses can hide differences between specific conditions. People with ID died more often during follow-up, especially in older groups, which can affect who is counted at older ages. The cohorts differed in age, sex and background.

Declared interests

The study was funded by a Swedish public research council, and the authors declared no conflicts of interest.

The easy way to misread this

Do not read these diagnostic patterns as evidence that any treatment works or that people with ID necessarily have worse health in every setting. The study reports recorded diagnoses in public healthcare, not clinical assessment or intervention effects.

Summarised by AI from the full paper, without a clinician reviewing it. Check it against the source before it changes what you do. Read it on PubMed →


The study

Certainty of evidence
Low

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    Magnus Sandberg, Jimmie Kristensson, Anna Axmon Age-Specific Diagnostic Panorama Among People With Intellectual Disabilities in Comparison With the General Population: A Longitudinal Register Study (IDcare). Journal of intellectual disability research : JIDR. 2026.

    Read the original — we summarise, we never replace the paper.