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Jørn Olsen

Researcher at Aarhus University Hospital

Publications -  960
Citations -  51591

Jørn Olsen is an academic researcher from Aarhus University Hospital. The author has contributed to research in topics: Pregnancy & Population. The author has an hindex of 105, co-authored 941 publications receiving 47204 citations. Previous affiliations of Jørn Olsen include University of Southern Denmark & Statens Serum Institut.

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Randomised study of screening for colorectal cancer with faecal-occult-blood test

TL;DR: The findings indicate that biennial screening by FOB tests can reduce CRC mortality, and the effect of the removal of more precursor adenomas in the screening-group participants than in controls on CRC incidence.
Journal Article

The Danish National Hospital Register. A valuable source of data for modern health sciences.

TL;DR: The Danish National Hospital Register is well suited to contribute to international comparative studies with relevance for evidence-based medicine, and how researchers may get access to the Register is described.
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Maternal age and fetal loss: population based register linkage study

TL;DR: Fetal loss is high in women in their late 30s or older, irrespective of reproductive history, and should be taken into consideration in pregnancy planning and counselling.
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The Danish National Birth Cohort - its background, structure and aim:

TL;DR: The Danish National Birth Cohort (Better health for mother and child) was established, a large cohort of pregnant women with long-term follow-up of the offspring was the obvious choice because many of the exposures of interest cannot be reconstructed with sufficient validity back in time.
Journal Article

The Danish Medical Birth Registry.

TL;DR: The content and usage of the Danish Medical Birth Registry over time is described, which indicates that the quality of the registry depends upon having a close link to the staff responsible for delivery services and thus having the necessary specialised skills and interest.