Johanna Callhoff
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View article: Trends in fatigue in inflammatory rheumatic diseases: Annual data and trajectory analysis of the German National Database 2007-2023
Trends in fatigue in inflammatory rheumatic diseases: Annual data and trajectory analysis of the German National Database 2007-2023 Open
Fatigue affected a large proportion of both women and men across diagnoses. Fatigue trajectories reflect complex interplay of clinical and psychosocial factors. Management should incorporate multidimensional interventions addressing emotio…
View article: Discordance between patient and physician reported global disease activity in PsA is associated with mental health—a cross-sectional analysis
Discordance between patient and physician reported global disease activity in PsA is associated with mental health—a cross-sectional analysis Open
Psoriatic arthritis (PsA) is a complex disease with heterogeneous disease manifestations. Composite scores including patient reported parameters are the recommended tools to measure these different aspects. Patient and physician often show…
View article: Trends in work participation among patients with inflammatory rheumatic musculoskeletal diseases (iRMDs): Data from the German National Database (2010–2022)
Trends in work participation among patients with inflammatory rheumatic musculoskeletal diseases (iRMDs): Data from the German National Database (2010–2022) Open
Objective To analyse work participation among patients with inflammatory rheumatic musculoskeletal diseases (iRMDs), namely rheumatoid arthritis (RA), axial spondyloarthritis (axSpA), psoriatic arthritis (PsA), systemic lupus erythematosus…
View article: Depression, anxiety and cognitive function in persons with inflammatory rheumatic diseases: cross-sectional results from the German National Cohort (NAKO)
Depression, anxiety and cognitive function in persons with inflammatory rheumatic diseases: cross-sectional results from the German National Cohort (NAKO) Open
Objective To assess the presence of mental health disorders in persons with rheumatoid arthritis (RA), ankylosing spondylitis (AS), psoriatic arthritis (PsA), systemic lupus erythematosus (SLE) and Sjögren’s disease (SjD) (all: inflammator…
View article: Rheuma-VOR study: optimising healthcare of rheumatic diseases by multiprofessional coordinating centres
Rheuma-VOR study: optimising healthcare of rheumatic diseases by multiprofessional coordinating centres Open
Rheuma-VOR has shown an improvement in rheumatological care, patient-reported outcome parameters and cost savings by coordinating the cooperation of primary care physicians, rheumatologists and patients, in a nationwide approach.
View article: Mental comorbidities in adolescents and young adults with juvenile idiopathic arthritis: an analysis of German nationwide health insurance data
Mental comorbidities in adolescents and young adults with juvenile idiopathic arthritis: an analysis of German nationwide health insurance data Open
Background Studies on prevalence rates of mental comorbidities in patients with juvenile idiopathic arthritis (JIA) have reported varying results and provided limited information on related drugs. The purpose of this study was to determine…
View article: Diagnostic accuracy of a large language model in rheumatology: comparison of physician and ChatGPT-4
Diagnostic accuracy of a large language model in rheumatology: comparison of physician and ChatGPT-4 Open
Pre-clinical studies suggest that large language models (i.e., ChatGPT) could be used in the diagnostic process to distinguish inflammatory rheumatic (IRD) from other diseases. We therefore aimed to assess the diagnostic accuracy of ChatGP…
View article: Time interval between the onset of connective tissue disease symptoms and first contact with a rheumatologist: results from the German National Database of collaborative arthritis centers
Time interval between the onset of connective tissue disease symptoms and first contact with a rheumatologist: results from the German National Database of collaborative arthritis centers Open
The long-term outcome of connective tissue diseases is associated with the time from symptom onset to diagnosis. To understand gaps in care, we determine whether the length of time between symptom onset and first presentation to a rheumato…
View article: High burden of polypharmacy and comorbidity in persons with psoriatic arthritis: an analysis of claims data, stratified by age and sex
High burden of polypharmacy and comorbidity in persons with psoriatic arthritis: an analysis of claims data, stratified by age and sex Open
Objective To assess polypharmacy in women and men with psoriatic arthritis (PsA). Methods From the German BARMER health insurance database, 11 984 persons with PsA and disease-modifying antirheumatic drug therapy in 2021 were included and …
View article: Interstitial lung disease in rheumatoid arthritis: incidence, prevalence and related drug prescriptions between 2007 and 2020
Interstitial lung disease in rheumatoid arthritis: incidence, prevalence and related drug prescriptions between 2007 and 2020 Open
Objective To investigate prevalence, incidence and medication of interstitial lung disease (ILD) among German individuals with rheumatoid arthritis (RA). Methods Nationwide BARMER claims data from 2007 to 2020 were used. RA-ILD was identif…
View article: Identification of rheumatoid arthritis in German claims data using different algorithms: Validation by cross‐sectional patient‐reported survey data
Identification of rheumatoid arthritis in German claims data using different algorithms: Validation by cross‐sectional patient‐reported survey data Open
Objective To evaluate different algorithms for the identification of rheumatoid arthritis (RA) in claims data using patient‐reported diagnosis as reference. Methods Within longitudinal data from a large German statutory health insurance, w…
View article: Comparison of physician and artificial intelligence-based symptom checker diagnostic accuracy
Comparison of physician and artificial intelligence-based symptom checker diagnostic accuracy Open
Symptom checkers are increasingly used to assess new symptoms and navigate the health care system. The aim of this study was to compare the accuracy of an artificial intelligence (AI)-based symptom checker (Ada) and physicians regarding th…
View article: Is the Rheumatoid Arthritis Impact of Disease (RAID) score a meaningful instrument for other inflammatory rheumatic diseases? A cross-sectional analysis of data from the German National Database
Is the Rheumatoid Arthritis Impact of Disease (RAID) score a meaningful instrument for other inflammatory rheumatic diseases? A cross-sectional analysis of data from the German National Database Open
Objective To analyse the performance of the rheumatoid arthritis impact of disease (RAID) score in patients with ankylosing spondylitis, polymyalgia rheumatica, systemic lupus erythematosus, primary Sjögren’s syndrome, idiopathic inflammat…
View article: Maternal and infant outcomes in pregnancies of women with axial spondyloarthritis compared with matched controls: results from nationwide health insurance data
Maternal and infant outcomes in pregnancies of women with axial spondyloarthritis compared with matched controls: results from nationwide health insurance data Open
Objectives To investigate pregnancy outcomes in women with axial spondyloarthritis (axSpA) under different pharmacological treatments in comparison with matched controls. Methods Using health insurance data from 2006 to 2019, pregnancy out…
View article: Association Between Rheumatoid Arthritis Disease Activity and Periodontitis Defined by Tooth Loss: Longitudinal and <scp>Cross‐Sectional</scp> Data From Two Observational Studies
Association Between Rheumatoid Arthritis Disease Activity and Periodontitis Defined by Tooth Loss: Longitudinal and <span>Cross‐Sectional</span> Data From Two Observational Studies Open
Objective To analyze the effect of tooth loss/periodontitis on disease activity in early and established rheumatoid arthritis (RA). Methods Participants of the Course And Prognosis of Early Arthritis (CAPEA) early arthritis cohort reported…
View article: Comorbidity and healthcare utilisation in persons with incident systemic lupus erythematosus followed for 3 years after diagnosis: analysis of a claims data cohort
Comorbidity and healthcare utilisation in persons with incident systemic lupus erythematosus followed for 3 years after diagnosis: analysis of a claims data cohort Open
Objective To analyse comorbidity and healthcare utilisation in individuals with SLE. Methods A cohort of individuals with incident SLE diagnosis in 2016 were investigated using claims data from a German statutory health insurance fund. Con…
View article: Factors Associated with Survey Non-Response in a Cross-Sectional Survey of Persons with an Axial Spondyloarthritis or Osteoarthritis Claims Diagnosis
Factors Associated with Survey Non-Response in a Cross-Sectional Survey of Persons with an Axial Spondyloarthritis or Osteoarthritis Claims Diagnosis Open
Non-response in surveys can lead to bias, which is often difficult to investigate. The aim of this analysis was to compare factors available from claims data associated with survey non-response and to compare them among two samples. A stra…