User profiles for "author:Jonas F Ludvigsson"

Jonas F Ludvigsson

Professor, Clinical Epidemiology, Karolinska Institutet and Pediatrician, Örebro University …
Verified email at ki.se
Cited by 48757

Systematic review of COVID‐19 in children shows milder cases and a better prognosis than adults

JF Ludvigsson - Acta paediatrica, 2020 - Wiley Online Library
Aim The coronavirus disease 2019 (COVID‐19) pandemic has affected hundreds of
thousands of people. Data on symptoms and prognosis in children are rare. Methods A …

[HTML][HTML] The Swedish personal identity number: possibilities and pitfalls in healthcare and medical research

JF Ludvigsson, P Otterblad-Olausson… - European journal of …, 2009 - Springer
Swedish health care and national health registers are dependent on the presence of a
unique identifier. This paper describes the Swedish personal identity number (PIN) and …

[HTML][HTML] The longitudinal integrated database for health insurance and labour market studies (LISA) and its use in medical research

JF Ludvigsson, P Svedberg, O Olén, G Bruze… - European journal of …, 2019 - Springer
Education, income, and occupation are factors known to affect health and disease. In this
review we describe the Swedish Longitudinal Integrated Database for Health Insurance and …

[HTML][HTML] External review and validation of the Swedish national inpatient register

JF Ludvigsson, E Andersson, A Ekbom, M Feychting… - BMC public health, 2011 - Springer
Abstract Background The Swedish National Inpatient Register (IPR), also called the Hospital
Discharge Register, is a principal source of data for numerous research projects. The IPR is …

The Oslo definitions for coeliac disease and related terms

JF Ludvigsson, DA Leffler, JC Bai, F Biagi, A Fasano… - Gut, 2013 - gut.bmj.com
Objective The literature suggests a lack of consensus on the use of terms related to coeliac
disease (CD) and gluten. Design A multidisciplinary task force of 16 physicians from seven …

Diagnosis and management of adult coeliac disease: guidelines from the British Society of Gastroenterology

JF Ludvigsson, JC Bai, F Biagi, TR Card, C Ciacci… - Gut, 2014 - gut.bmj.com
A multidisciplinary panel of 18 physicians and 3 non-physicians from eight countries
(Sweden, UK, Argentina, Australia, Italy, Finland, Norway and the USA) reviewed the …

Registers of the Swedish total population and their use in medical research

JF Ludvigsson, C Almqvist, AKE Bonamy… - European journal of …, 2016 - Springer
The primary aim of the Swedish national population registration system is to obtain data that
(1) reflect the composition, relationship and identities of the Swedish population and (2) can …

The prevalence of celiac disease in the United States

A Rubio-Tapia, JF Ludvigsson… - Official journal of the …, 2012 - journals.lww.com
OBJECTIVES: The prevalence of celiac disease (CD) in the United States is unknown. We
sought to estimate CD prevalence nationwide by using a nationally representative sample …

Case report and systematic review suggest that children may experience similar long‐term effects to adults after clinical COVID‐19

JF Ludvigsson - Acta Paediatrica, 2021 - Wiley Online Library
Aim Persistent symptoms in adults after COVID‐19 are emerging and the term long COVID is
increasingly appearing in the literature. However, paediatric data are scarce. Methods This …

Nordic health registry-based research: a review of health care systems and key registries

K Laugesen, JF Ludvigsson, M Schmidt… - Clinical …, 2021 - Taylor & Francis
Abstract The Nordic countries are Denmark, Finland, Iceland, Norway, and Sweden and
comprise a total population of approximately 27 million. The countries provide unique …