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High variability in glucocorticoid starting doses in patients with rheumatoid arthritis: observational data from an early arthritis cohort.[Clinical remission in rheumatoid arthritis. Data from the early arthritis cohort study CAPEA].[Prevalence of rheumatoid arthritis in Germany based on health insurance data : Regional differences and first results of the PROCLAIR study].Influenza and pneumococcal vaccination in patients with rheumatoid arthritis in comparison with age- and sex-matched controls: results of a claims data analysis.Depression is a stronger predictor of the risk to consider work disability in early arthritis than disease activity or response to therapy.[Outpatient care and disease burden of rheumatoid arthritis : Results of a linkage of claims data and a survey of insured persons].The Association of Low Income with Functional Status and Disease Burden in German Patients with Rheumatoid Arthritis: Results of a Cross-sectional Questionnaire Survey Based on Claims Data.Body mass index distribution in rheumatoid arthritis: a collaborative analysis from three large German rheumatoid arthritis databases.Impact of biologic therapy on functional status in patients with rheumatoid arthritis--a meta-analysis.Efficacy of TNFα blockers in patients with ankylosing spondylitis and non-radiographic axial spondyloarthritis: a meta-analysis.Ustekinumab for the treatment of patients with active ankylosing spondylitis: results of a 28-week, prospective, open-label, proof-of-concept study (TOPAS).Quantification of Bone Marrow Edema by Magnetic Resonance Imaging Only Marginally Reflects Clinical Neck Pain Evaluation in Rheumatoid Arthritis and Ankylosing Spondylitis.The Prevalence of Dental Implants and Related Factors in Patients with Sjögren Syndrome: Results from a Cohort Study.Which spinal lesions are associated with new bone formation in patients with ankylosing spondylitis treated with anti-TNF agents? A long-term observational study using MRI and conventional radiography.Determinants of psychological well-being in axial spondyloarthritis: an analysis based on linked claims and patient-reported survey data.Erratum zu: Prävalenz der rheumatoiden Arthritis in Deutschland auf Basis von Kassendaten : Regionale Unterschiede und erste Ergebnisse der PROCLAIR-Studie.Effect of continuous versus on-demand treatment of ankylosing spondylitis with diclofenac over 2 years on radiographic progression of the spine: results from a randomised multicentre trial (ENRADAS).Serum adipokine levels in patients with ankylosing spondylitis and their relationship to clinical parameters and radiographic spinal progression.Erosions and fatty lesions of sacroiliac joints in patients with axial spondyloarthritis: evaluation of different MRI techniques and two scoring methods.Efficacy of oral prednisolone in active ankylosing spondylitis: results of a double-blind, randomised, placebo-controlled short-term trial.Response to 'A missing pebble in the mosaic of rheumatic diseases and mental health: younger does not always mean happier' by Alunno[Which patients with rheumatoid arthritis do not receive DMARD treatment? Analysis of data from the German Collaborative Arthritis Centers]Comorbidities in Patients with Rheumatoid Arthritis and Their Association with Patient-reported Outcomes: Results of Claims Data Linked to Questionnaire SurveyDiagnostic accuracy of inflammatory back pain for axial spondyloarthritis in rheumatological care[Utilization of individual out-of-pocket health services (IGeL) in persons with osteoarthritis in Germany : Results of a survey from the PROCLAIR study][Reality of care for musculoskeletal diseases at the population level : Results of the PROCLAIR collaborative project. German version][Digital Health in Rheumatology - Status 2018/19]Trends in employment and hospitalisation in patients with Sjögren's syndrome 1996-2016: results from the German National database[Long-term trends in rheumatology care : Achievements and deficits in 25 years of the German national rheumatology database]Reality of care for musculoskeletal diseases at the population level : Results of the PROCLAIR collaborative project[Cost of illness in axial spondylarthritis for patients with and without tumor necrosis factor inhibitor treatment: results of a routine data analysis]Determinants of diagnostic delay in axial spondyloarthritis: an analysis based on linked claims and patient-reported survey data[Health care and disease burden in persons with axial spondyloarthritis in Germany]Long-term trends in rheumatology care : Achievements and deficits in 25 years of the German national rheumatology database[Digital Health in Rheumatology - Status 2018/19]A patient-reported questionnaire developed in a German early arthritis cohort to assess periodontitis in patients with rheumatoid arthritisDisease Burden of Patients With Osteoarthritis: Results of a Cross-Sectional Survey Linked to Claims Data[Non-drug treatment of rheumatoid arthritis : An analysis of claims data and a survey of insured persons (Project PROCLAIR)]Osteoporosis in patients with rheumatoid arthritis: trends in the German National Database 2007-2017
P50
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P50
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researcher ORCID ID = 0000-0002-3923-2728
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wetenschapper
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J Callhoff
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J Callhoff
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J Callhoff
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J Callhoff
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J Callhoff
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J Callhoff
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J Callhoff
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J Callhoff
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J Callhoff
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P31
P496
0000-0002-3923-2728