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Sewerin P, Le L, Vordenbäumen S, Schleich C, Sengewein R, Brinks R, Pongratz G, Bleck E, Lesch J, Mansmann U, Schneider M, Ostendorf B. Rheumatoid Arthritis Magnetic Resonance Imaging Score Predicts Therapy Response: Results of the German ArthroMark Cohort. J Rheumatol 2018; 45:753-759. [PMID: 29606664 DOI: 10.3899/jrheum.170797] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/16/2018] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Markers for treatment response in rheumatoid arthritis (RA) are lacking. The aim of the study was to assess the performance of the RA magnetic resonance imaging (MRI) scoring system (RAMRIS) in combination with serum biomarkers to predict response to methotrexate (MTX) treatment in therapy-naive patients with early RA by using high-field MRI. METHODS Twenty-eight patients with RA were prospectively assessed with baseline 3-T MRI of the clinical dominant hand, 3 and 6 months after MTX. The patients met the 2010 American College of Rheumatology/European League Against Rheumatism (EULAR) criteria [average age 56.8 yrs (range 39-74); positive for rheumatoid factor and/or anticyclic citrullinated peptide antibodies; disease duration < 6 mos (range 2-23 weeks)]. RAMRIS and serum biomarkers consisting of various experimental proteins including receptor activator of nuclear factor-κB ligand (RANKL) were obtained. Remission or treatment response was defined according to EULAR. To adjust for intrapersonal correlation, generalized linear mixed models were used. RESULTS Treatment response at 3 months was associated to low RAMRIS erosion subscores and low total RAMRIS scores (p = 0.019 and 0.03, respectively). Remission at 6 months was associated to low RANKL levels (p = 0.033). In multivariate analyses, response at 3 and 6 months was predicted more accurately with the inclusion of total RAMRIS score, RAMRIS synovitis subscore at the second metacarpophalangeal (MCP) joint, or a combination of the two (p value likelihood ratio test = 0.035, 0.035, and 0.041, respectively). Remission was more accurately predicted with inclusion of RANKL, with no significant predictive effect of MRI. CONCLUSION Baseline total RAMRIS can predict EULAR response. RAMRIS synovitis subscore at the second MCP joint and RANKL are associated with response and remission, respectively.
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Affiliation(s)
- Philipp Sewerin
- From the Department and Hiller-Research-Unit for Rheumatology, and the Institute of Diagnostic and Interventional Radiology, Universitätsklinikum Düsseldorf (UKD), Heinrich-Heine-University Düsseldorf; University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology, Düsseldorf; the Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University, Munich, Germany. .,P. Sewerin, MD, University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology; L. Le, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; S. Vordenbäumen, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; C. Schleich, MD, PhD, Department for Diagnostic and Interventional Radiology, UKD, Heinrich-Heine-University Düsseldorf; R. Sengewein, MD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; R. Brinks, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; G. Pongratz, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; E. Bleck, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; J. Lesch, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; U. Mansmann, PhD, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; M. Schneider, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; B. Ostendorf, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf.
| | - Lien Le
- From the Department and Hiller-Research-Unit for Rheumatology, and the Institute of Diagnostic and Interventional Radiology, Universitätsklinikum Düsseldorf (UKD), Heinrich-Heine-University Düsseldorf; University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology, Düsseldorf; the Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University, Munich, Germany.,P. Sewerin, MD, University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology; L. Le, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; S. Vordenbäumen, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; C. Schleich, MD, PhD, Department for Diagnostic and Interventional Radiology, UKD, Heinrich-Heine-University Düsseldorf; R. Sengewein, MD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; R. Brinks, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; G. Pongratz, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; E. Bleck, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; J. Lesch, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; U. Mansmann, PhD, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; M. Schneider, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; B. Ostendorf, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf
| | - Stefan Vordenbäumen
- From the Department and Hiller-Research-Unit for Rheumatology, and the Institute of Diagnostic and Interventional Radiology, Universitätsklinikum Düsseldorf (UKD), Heinrich-Heine-University Düsseldorf; University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology, Düsseldorf; the Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University, Munich, Germany.,P. Sewerin, MD, University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology; L. Le, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; S. Vordenbäumen, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; C. Schleich, MD, PhD, Department for Diagnostic and Interventional Radiology, UKD, Heinrich-Heine-University Düsseldorf; R. Sengewein, MD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; R. Brinks, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; G. Pongratz, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; E. Bleck, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; J. Lesch, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; U. Mansmann, PhD, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; M. Schneider, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; B. Ostendorf, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf
| | - Christoph Schleich
- From the Department and Hiller-Research-Unit for Rheumatology, and the Institute of Diagnostic and Interventional Radiology, Universitätsklinikum Düsseldorf (UKD), Heinrich-Heine-University Düsseldorf; University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology, Düsseldorf; the Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University, Munich, Germany.,P. Sewerin, MD, University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology; L. Le, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; S. Vordenbäumen, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; C. Schleich, MD, PhD, Department for Diagnostic and Interventional Radiology, UKD, Heinrich-Heine-University Düsseldorf; R. Sengewein, MD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; R. Brinks, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; G. Pongratz, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; E. Bleck, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; J. Lesch, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; U. Mansmann, PhD, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; M. Schneider, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; B. Ostendorf, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf
| | - Ruben Sengewein
- From the Department and Hiller-Research-Unit for Rheumatology, and the Institute of Diagnostic and Interventional Radiology, Universitätsklinikum Düsseldorf (UKD), Heinrich-Heine-University Düsseldorf; University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology, Düsseldorf; the Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University, Munich, Germany.,P. Sewerin, MD, University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology; L. Le, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; S. Vordenbäumen, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; C. Schleich, MD, PhD, Department for Diagnostic and Interventional Radiology, UKD, Heinrich-Heine-University Düsseldorf; R. Sengewein, MD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; R. Brinks, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; G. Pongratz, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; E. Bleck, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; J. Lesch, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; U. Mansmann, PhD, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; M. Schneider, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; B. Ostendorf, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf
| | - Ralph Brinks
- From the Department and Hiller-Research-Unit for Rheumatology, and the Institute of Diagnostic and Interventional Radiology, Universitätsklinikum Düsseldorf (UKD), Heinrich-Heine-University Düsseldorf; University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology, Düsseldorf; the Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University, Munich, Germany.,P. Sewerin, MD, University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology; L. Le, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; S. Vordenbäumen, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; C. Schleich, MD, PhD, Department for Diagnostic and Interventional Radiology, UKD, Heinrich-Heine-University Düsseldorf; R. Sengewein, MD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; R. Brinks, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; G. Pongratz, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; E. Bleck, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; J. Lesch, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; U. Mansmann, PhD, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; M. Schneider, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; B. Ostendorf, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf
| | - Georg Pongratz
- From the Department and Hiller-Research-Unit for Rheumatology, and the Institute of Diagnostic and Interventional Radiology, Universitätsklinikum Düsseldorf (UKD), Heinrich-Heine-University Düsseldorf; University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology, Düsseldorf; the Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University, Munich, Germany.,P. Sewerin, MD, University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology; L. Le, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; S. Vordenbäumen, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; C. Schleich, MD, PhD, Department for Diagnostic and Interventional Radiology, UKD, Heinrich-Heine-University Düsseldorf; R. Sengewein, MD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; R. Brinks, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; G. Pongratz, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; E. Bleck, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; J. Lesch, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; U. Mansmann, PhD, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; M. Schneider, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; B. Ostendorf, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf
| | - Ellen Bleck
- From the Department and Hiller-Research-Unit for Rheumatology, and the Institute of Diagnostic and Interventional Radiology, Universitätsklinikum Düsseldorf (UKD), Heinrich-Heine-University Düsseldorf; University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology, Düsseldorf; the Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University, Munich, Germany.,P. Sewerin, MD, University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology; L. Le, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; S. Vordenbäumen, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; C. Schleich, MD, PhD, Department for Diagnostic and Interventional Radiology, UKD, Heinrich-Heine-University Düsseldorf; R. Sengewein, MD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; R. Brinks, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; G. Pongratz, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; E. Bleck, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; J. Lesch, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; U. Mansmann, PhD, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; M. Schneider, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; B. Ostendorf, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf
| | - Juliane Lesch
- From the Department and Hiller-Research-Unit for Rheumatology, and the Institute of Diagnostic and Interventional Radiology, Universitätsklinikum Düsseldorf (UKD), Heinrich-Heine-University Düsseldorf; University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology, Düsseldorf; the Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University, Munich, Germany.,P. Sewerin, MD, University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology; L. Le, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; S. Vordenbäumen, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; C. Schleich, MD, PhD, Department for Diagnostic and Interventional Radiology, UKD, Heinrich-Heine-University Düsseldorf; R. Sengewein, MD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; R. Brinks, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; G. Pongratz, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; E. Bleck, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; J. Lesch, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; U. Mansmann, PhD, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; M. Schneider, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; B. Ostendorf, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf
| | - Ulrich Mansmann
- From the Department and Hiller-Research-Unit for Rheumatology, and the Institute of Diagnostic and Interventional Radiology, Universitätsklinikum Düsseldorf (UKD), Heinrich-Heine-University Düsseldorf; University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology, Düsseldorf; the Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University, Munich, Germany.,P. Sewerin, MD, University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology; L. Le, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; S. Vordenbäumen, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; C. Schleich, MD, PhD, Department for Diagnostic and Interventional Radiology, UKD, Heinrich-Heine-University Düsseldorf; R. Sengewein, MD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; R. Brinks, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; G. Pongratz, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; E. Bleck, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; J. Lesch, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; U. Mansmann, PhD, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; M. Schneider, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; B. Ostendorf, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf
| | - Matthias Schneider
- From the Department and Hiller-Research-Unit for Rheumatology, and the Institute of Diagnostic and Interventional Radiology, Universitätsklinikum Düsseldorf (UKD), Heinrich-Heine-University Düsseldorf; University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology, Düsseldorf; the Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University, Munich, Germany.,P. Sewerin, MD, University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology; L. Le, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; S. Vordenbäumen, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; C. Schleich, MD, PhD, Department for Diagnostic and Interventional Radiology, UKD, Heinrich-Heine-University Düsseldorf; R. Sengewein, MD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; R. Brinks, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; G. Pongratz, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; E. Bleck, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; J. Lesch, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; U. Mansmann, PhD, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; M. Schneider, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; B. Ostendorf, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf
| | - Benedikt Ostendorf
- From the Department and Hiller-Research-Unit for Rheumatology, and the Institute of Diagnostic and Interventional Radiology, Universitätsklinikum Düsseldorf (UKD), Heinrich-Heine-University Düsseldorf; University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology, Düsseldorf; the Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University, Munich, Germany.,P. Sewerin, MD, University Düsseldorf, Medical Faculty, Department of Endocrinology, Diabetology and Rheumatology; L. Le, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; S. Vordenbäumen, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; C. Schleich, MD, PhD, Department for Diagnostic and Interventional Radiology, UKD, Heinrich-Heine-University Düsseldorf; R. Sengewein, MD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; R. Brinks, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; G. Pongratz, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; E. Bleck, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; J. Lesch, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; U. Mansmann, PhD, Institute for Medical Information Sciences, Biometry and Epidemiology, Ludwig Maximilian University; M. Schneider, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf; B. Ostendorf, MD, PhD, Department and Hiller-Research-Unit for Rheumatology, UKD, Heinrich-Heine-University Düsseldorf
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