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J. Björk · SciRah

Researcher profile · Semantic Scholar

J. Björk

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J. Björk — researcher profile on SciRah

h-index: 60
Works: 395
Citations: 13K

Most-cited papers

Cystatin C-Based Equation to Estimate GFR without the Inclusion of Race and Sex.
H. Pottel, J. Björk, Andrew D. Rule, Natalie Ebert +21 more
2023New England Journal of Medicine194 citations Open access
Semantic Scholar
Performance of creatinine-based equations to estimate glomerular filtration rate in White and Black populations in Europe, Brazil, and Africa.
P. Delanaye, E. Vidal-Petiot, J. Björk, Natalie Ebert +35 more
2022Nephrology, Dialysis and Transplantation85 citations Open access
Semantic Scholar
The complexity of kidney disease and diagnosing it – cystatin C, selective glomerular hypofiltration syndromes and proteome regulation
L. Malmgren, C. Öberg, E. den Bakker, Felicia Leion +34 more
2022Journal of Internal Medicine72 citations Open access
Semantic Scholar
Cardiovascular events following coronavirus disease 2019 vaccination in adults: a nationwide Swedish study
Yi-Yi Xu, Hui-Qi Li, A. Santosa, B. Wettermark +5 more
2024European Heart Journal44 citations Open access
Semantic Scholar
COVID-19 vaccine effectiveness against severe disease from SARS-CoV-2 Omicron BA.1 and BA.2 subvariants – surveillance results from southern Sweden, December 2021 to March 2022
J. Björk, C. Bonander, M. Moghaddassi, M. Rasmussen +3 more
2022Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin39 citations Open access
Semantic Scholar
Estimates of excess mortality for the five Nordic countries during the Covid-19 pandemic 2020-2021
K. P. Kepp, J. Björk, Vasilis Kontis, R. Parks +3 more
2022medRxiv36 citations Open access
Semantic Scholar
Skin Exposures, Hand Eczema and Facial Skin Disease in Healthcare Workers During the COVID-19 Pandemic: A Cross-sectional Study
N. Hamnerius, A. Pontén, O. Bergendorff, M. Bruze +2 more
2021Acta Dermato-Venereologica36 citations Open access
Semantic Scholar
App-based COVID-19 syndromic surveillance and prediction of hospital admissions in COVID Symptom Study Sweden
B. Kennedy, H. Fitipaldi, U. Hammar, M. Maziarz +32 more
2022Nature Communications33 citations Open access
Semantic Scholar
Performance of the European Kidney Function Consortium (EKFC) creatinine-based equation in United States cohorts.
P. Delanaye, Andrew D. Rule, E. Schaeffner, E. Cavalier +5 more
2023Kidney International32 citations Open access
Semantic Scholar
Vaccine-induced correlate of protection against fatal COVID-19 in older and frail adults during waves of neutralization-resistant variants of concern: an observational study
Linnéa Vikström, P. Fjällström, Yong-Dae Gwon, D. Sheward +18 more
2023The Lancet Regional Health - Europe31 citations Open access
Semantic Scholar
Evaluation of the creatinine-based chronic kidney disease in children (under 25 years) equation in healthy children and adolescents
H. Pottel, J. Björk, P. Delanaye, U. Nyman
2022Pediatric nephrology (Berlin, West)31 citations Open access
Semantic Scholar
The value of combining individual and small area sociodemographic data for assessing and handling selective participation in cohort studies: Evidence from the Swedish CardioPulmonary bioImage Study
C. Bonander, Anton Nilsson, J. Björk, A. Blomberg +6 more
2022PLoS ONE30 citations Open access
Semantic Scholar
Offending Trajectories in Violent Offenders: Criminal History and Early Life Risk Factors
André Tärnhäll, J. Björk, M. Wallinius, Peik Gustafsson +1 more
2022International journal of offender therapy and comparative criminology21 citations Open access
Semantic Scholar
The Modified CKiD Study Estimated GFR Equations for Children and Young Adults Under 25 Years of Age: Performance in a European Multicenter Cohort.
U. Nyman, J. Björk, U. Berg, A. Bökenkamp +9 more
2022American Journal of Kidney Diseases21 citations Open access
Semantic Scholar
Excess mortality in Denmark, Finland, Norway and Sweden during the COVID-19 pandemic 2020–2022
I. Forthun, Christian Madsen, Louise Emilsson, A. Nilsson +5 more
2024European Journal of Public Health20 citations Open access
Semantic Scholar
Machine learning for early prediction of acute myocardial infarction or death in acute chest pain patients using electrocardiogram and blood tests at presentation
Pontus Olsson de Capretz, A. Björkelund, J. Björk, M. Ohlsson +3 more
2023BMC Medical Informatics and Decision Making20 citations Open access
Semantic Scholar
Standardization of serum creatinine is essential for accurate use of unbiased estimated GFR equations: evidence from three cohorts matched on renal function
H. Pottel, E. Cavalier, J. Björk, U. Nyman +15 more
2022Clinical Kidney Journal20 citations Open access
Semantic Scholar
Risk of severe COVID-19 from the Delta and Omicron variants in relation to vaccination status, sex, age and comorbidities – surveillance results from southern Sweden, July 2021 to January 2022
Fredrik Kahn, C. Bonander, M. Moghaddassi, Magnus Rasmussen +3 more
2022Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin18 citations Open access
Semantic Scholar
Cause-specific excess mortality in Denmark, Finland, Norway, and Sweden during the COVID-19 pandemic 2020–2022: a study using nationwide population data
A. Nilsson, Louise Emilsson, Kasper P. Kepp, Ann Kristin Skrindo Knudsen +4 more
2024European Journal of Epidemiology16 citations Open access
Semantic Scholar
Estimating glomerular filtration in young people
P. Delanaye, L. Derain-Dubourg, J. Björk, M. Courbebaisse +20 more
2024Clinical Kidney Journal15 citations Open access
Semantic Scholar
Negative Pressure Wound Therapy for the Prevention of Surgical Site Infections Using Fascia Closure After EVAR—A Randomized Trial
Robert Svensson-Björk, J. Hasselmann, G. Asciutto, M. Zarrouk +4 more
2022World Journal of Surgery15 citations Open access
Semantic Scholar
Different ways of diagnosing selective glomerular hypofiltration syndromes such as shrunken pore syndrome and the associated increase in mortality
Anna Åkesson, L. Malmgren, Felicia Leion, U. Nyman +3 more
2024Journal of Internal Medicine14 citations
Semantic Scholar
COVID-19 in people aged 18–64 in Sweden in the first year of the pandemic: Key factors for severe disease and death
A. Rosengren, M. Söderberg, C. Lundberg, M. Lindgren +11 more
2022Global Epidemiology13 citations Open access
Semantic Scholar
The contribution of population age-sex structure to the excess mortality estimates of 2020–2021 in Denmark, Finland, Iceland, Norway, and Sweden
K. P. Kepp, J. Björk, L. Emilsson, T. Lallukka
2023SSM: Population Health12 citations Open access
Semantic Scholar
Age and sex differences in cause-specific excess mortality and years of life lost associated with COVID-19 infection in the Swedish population
C. Lundberg, A. Santosa, J. Björk, M. Brandén +6 more
2023European Journal of Public Health11 citations Open access
Semantic Scholar
Proxy Variables and the Generalizability of Study Results.
Anton Nilsson, J. Björk, C. Bonander
2022American Journal of Epidemiology11 citations Open access
Semantic Scholar
Severe COVID‐19 in people 55 and older during the first year of the pandemic in Sweden
A. Rosengren, C. Lundberg, M. Söderberg, A. Santosa +11 more
2022Journal of Internal Medicine11 citations Open access
Semantic Scholar
Sociodemographic characteristics and COVID-19 testing rates: spatiotemporal patterns and impact of test accessibility in Sweden
B. Kennedy, G. Varotsis, U. Hammar, Diem Nguyen +9 more
2023European Journal of Public Health10 citations Open access
Semantic Scholar
Effectiveness and Safety of the ESC‐TROP (European Society of Cardiology 0h/1h Troponin Rule‐Out Protocol) Trial
A. Mokhtari, J. Forberg, Jenny Sandgren, Caroline Hård Af Segerstad +6 more
2024Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease9 citations Open access
Semantic Scholar
Diabetic status and the performances of creatinine- and cystatin C-based eGFR equations.
P. Delanaye, J. Björk, E. Vidal-Petiot, M. Flamant +7 more
2024Nephrology, Dialysis and Transplantation9 citations Open access
Semantic Scholar
Waning protection after vaccination and prior infection against COVID-19-related mortality over 18 months.
Dominik Dietler, F. Kahn, Malin Inghammar, J. Björk
2023Clinical Microbiology and Infection9 citations Open access
Semantic Scholar
Discordant Results Between Creatinine- and Cystatin C-based Equations for Estimating GFR
P. Delanaye, M. Flamant, E. Vidal-Petiot, J. Björk +25 more
2025Kidney International Reports8 citations Open access
Semantic Scholar
Trends in type 1 diabetes incidence between 2007 and 2023 and their association with SARS-CoV-2 infection in a population-based matched cohort study among individuals under 30 years old in Sweden
Dominik Dietler, J. Björk, Elsa Palmkvist, A. Carlsson
2025Diabetologia8 citations Open access
Semantic Scholar
Rescaling creatinine makes GFR estimation equations generally applicable across populations – validation results for the Lund-Malmö equation in a French cohort of sub-Saharan ancestry
U. Nyman, J. Björk, P. Delanaye, Alexandre Lahens +3 more
2023Clinical Chemistry and Laboratory Medicine8 citations Open access
Semantic Scholar
Identification of cystatin C as a new marker of glomerular filtration rate, and of shrunken pore syndrome – a new kidney disorder defining selective glomerular hypofiltration syndromes – calls for expansion of the international KDIGO guidelines
Anna Åkesson, C. Öberg, L. Malmgren, Christopher Nilsson +41 more
2025Scandinavian Journal of Clinical and Laboratory Investigation7 citations Open access
Semantic Scholar
Trajectory-Ordered Objectives for Self-Supervised Representation Learning of Temporal Healthcare Data Using Transformers: Model Development and Evaluation Study
Ali Amirahmadi, F. Etminani, J. Björk, Olle Melander +1 more
2025JMIR Medical Informatics7 citations Open access
Semantic Scholar
A novel interpretable deep learning model for diagnosis in emergency department dyspnoea patients based on complete data from an entire health care system
E. T. Heyman, Awais Ashfaq, U. Ekelund, M. Ohlsson +3 more
2024PLoS ONE7 citations Open access
Semantic Scholar
The prevalence of clinically relevant delayed intracranial hemorrhage in head trauma patients treated with oral anticoagulants is very low: a retrospective cohort register study
Lars André, A. Björkelund, Ulf Ekelund, Tomas Vedin +2 more
2024Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine7 citations Open access
Semantic Scholar
Previous SARS-CoV-2 infections and their impact on the protection from reinfection during the Omicron BA.5 wave – a nested case-control study among vaccinated adults in Sweden
Fredrik Kahn, C. Bonander, M. Moghaddassi, C. Christiansen +4 more
2024IJID Regions7 citations Open access
Semantic Scholar
The skåne emergency medicine (SEM) cohort
U. Ekelund, Bodil Ohlsson, Olle Melander, J. Björk +5 more
2024Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine7 citations Open access
Semantic Scholar
Extending the cystatin C based EKFC-equation to children – validation results from Europe
H. Pottel, U. Nyman, J. Björk, Ulla B. Berg +12 more
2023Pediatric nephrology (Berlin, West)7 citations Open access
Semantic Scholar
Early Life Factors and Polycystic Ovary Syndrome in a Swedish Birth Cohort
Beáta Vivien Boldis, I. Grünberger, A. Cederström, J. Björk +2 more
2023International Journal of Environmental Research and Public Health7 citations Open access
Semantic Scholar
Comorbidities in women with polycystic ovary syndrome: a sibling study
Beáta Vivien Boldis, I. Grünberger, A. Cederström, J. Björk +2 more
2024BMC Women's Health6 citations Open access
Semantic Scholar
Changes in perceived parental self‐efficacy after a Child‐Centred Health Dialogue about preventing obesity
Mariette Derwig, Irén Tiberg, J. Björk, Inger Kristensson Hallström
2022Acta paediatrica6 citations Open access
Semantic Scholar
Treating retinopathy of prematurity with dexamethasone eye drops: a difference-in-differences study in Sweden using register data.
L. Gränse, H. Öhnell, G. Holmström, Johanna C. Sundgren +11 more
2025Ophthalmology (Rochester, Minn.)5 citations Open access
Semantic Scholar
Enhancing individual glomerular filtration rate assessment: can we trust the equation? Development and validation of machine learning models to assess the trustworthiness of estimated GFR compared to measured GFR
Antoine Lanot, Anna Åkesson, F. Nakano, C. Vens +27 more
2025BMC Nephrology5 citations Open access
Semantic Scholar
Comparison between the EKFC-equation and machine learning models to predict Glomerular Filtration Rate
F. Nakano, Anna Åkesson, J. de Boer, Klest Dedja +33 more
2024Scientific Reports5 citations Open access
Semantic Scholar
Predicting Occlusion Myocardial Infarctions in the Emergency Department Using Artificial Intelligence
Axel Nyström, A. Björkelund, Henrik Wagner, U. Ekelund +4 more
2026Journal of the American College of Emergency Physicians Open4 citations
Semantic Scholar
Development of serious mental illness in young adult violent offenders: Early-life risk factors and long-term adverse outcomes.
André Tärnhäll, J. Björk, M. Wallinius, E. Billstedt +1 more
2025Psychiatry Research4 citations Open access
Semantic Scholar
COVID-19 vaccine uptake in Skåne county, Sweden, in relation to individual-level and area-level sociodemographic factors: a register-based cross-sectional analysis
Adam Mitchell, Malin Inghammar, Louise Bennet, Per-Olof Östergren +2 more
2024BMJ public health4 citations Open access
Semantic Scholar

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