Prevalence and characteristics of patients with low levels of low-density lipoprotein cholesterol in northern Denmark: a descriptive study

por Schmidt, Sigrun Alba Johannesdottir, Heide-Jørgensen, Uffe, Manthripragada, Angelika D, Ehrenstein, Vera
Publicado 2015

Use of methotrexate and risk of skin cancer: a nationwide case–control study

por Polesie, Sam, Gillstedt, Martin, Schmidt, Sigrún Alba Jóhannesdóttir, Egeberg, Alexander, Pottegård, Anton, Kristensen, Kasper
Publicado 2023

Validity of first-time diagnoses of congenital epidermolysis bullosa in the Danish National Patient Registry and the Danish Pathology Registry

por Kristensen, Mattias Hedegaard, Schmidt, Sigrún Alba Jóhannesdóttir, Kibsgaard, Line, Mogensen, Mette, Sommerlund, Mette, Koppelhus, Uffe
Publicado 2019

Validity of First-Time Diagnoses of Inherited Ichthyosis in the Danish National Patient Registry and the Danish Pathology Registry

por Kristensen, Mattias Hedegaard, Schmidt, Sigrun Alba Johannesdottir, Kibsgaard, Line, Hove, Hanne, Sommerlund, Mette, Koppelhus, Uffe
Publicado 2020

The Danish National Patient Registry: a review of content, data quality, and research potential

por Schmidt, Morten, Schmidt, Sigrun Alba Johannesdottir, Sandegaard, Jakob Lynge, Ehrenstein, Vera, Pedersen, Lars, Sørensen, Henrik Toft
Publicado 2015

Data Resource Profile: The Danish National Prescription Registry

por Pottegård, Anton, Schmidt, Sigrun Alba Johannesdottir, Wallach-Kildemoes, Helle, Sørensen, Henrik Toft, Hallas, Jesper, Schmidt, Morten
Publicado 2017

Association of Hydrochlorothiazide Use and Risk of Malignant Melanoma

por Pottegård, Anton, Pedersen, Sidsel Arnspang, Schmidt, Sigrun Alba Johannesdottir, Hölmich, Lisbet Rosenkrantz, Friis, Søren, Gaist, David
Publicado 2018

The Danish health care system and epidemiological research: from health care contacts to database records

por Schmidt, Morten, Schmidt, Sigrun Alba Johannesdottir, Adelborg, Kasper, Sundbøll, Jens, Laugesen, Kristina, Ehrenstein, Vera, Sørensen, Henrik Toft
Publicado 2019

The DANish Comorbidity Index for Acute Myocardial Infarction (DANCAMI): Development, Validation and Comparison with Existing Comorbidity Indices

por Wellejus Albertsen, Lisbeth, Heide-Jørgensen, Uffe, Schmidt, Sigrun Alba Johannesdottir, Grey, Corina, Jackson, Rod, Sørensen, Henrik Toft, Schmidt, Morten
Publicado 2020

Association Between Atopic Dermatitis and Educational Attainment in Denmark

por Schmidt, Sigrun Alba Johannesdottir, Mailhac, Aurélie, Darvalics, Bianka, Mulick, Amy, Deleuran, Mette S., Sørensen, Henrik T., Riis, Jette Lindorff, Langan, Sinéad M.
Publicado 2021

Social isolation and all-cause mortality: a population-based cohort study in Denmark

por Laugesen, Kristina, Baggesen, Lisbeth Munksgård, Schmidt, Sigrún Alba Jóhannesdóttir, Glymour, M. Maria, Lasgaard, Mathias, Milstein, Arnold, Sørensen, Henrik Toft, Adler, Nancy E., Ehrenstein, Vera
Publicado 2018

Use of hydrochlorothiazide and risk of skin cancer: a nationwide Taiwanese case–control study

por Pottegård, Anton, Pedersen, Sidsel Arnspang, Schmidt, Sigrun Alba Johannesdottir, Lee, Chaw-Ning, Hsu, Chao-Kai, Liao, Tzu-Chi, Shao, Shih-Chieh, Lai, Edward Chia-Cheng
Publicado 2019

The impact of exacerbation frequency on mortality following acute exacerbations of COPD: a registry-based cohort study

por Schmidt, Sigrun Alba Johannesdottir, Johansen, Martin Berg, Olsen, Morten, Xu, Xiao, Parker, Joseph M, Molfino, Nestor A, Lash, Timothy L, Sørensen, Henrik Toft, Christiansen, Christian Fynbo
Publicado 2014

Use of sildenafil or other phosphodiesterase inhibitors and risk of melanoma

por Pottegård, Anton, Schmidt, Sigrún Alba Johannesdottir, Olesen, Anne Braae, Achacoso, Ninah, Van Den Eeden, Stephen K, Hallas, Jesper, Sørensen, Henrik Toft, Friis, Søren, Habel, Laurel A
Publicado 2016

Adverse outcomes after partner bereavement in people with reduced kidney function: Parallel cohort studies in England and Denmark

por Bidulka, Patrick, Vestergaard, Søren Viborg, Hlupeni, Admire, Kjærsgaard, Anders, Wong, Angel Y. S., Langan, Sinéad M., Schmidt, Sigrun Alba Johannesdottir, Lyon, Susan, Christiansen, Christian Fynbo, Nitsch, Dorothea
Publicado 2021