Frank Rijmen

Summary

Affiliation: VU University Medical Center
Country: The Netherlands

Publications

  1. ncbi request reprint Null bar and null zone are better than the error bar to compare group means in graphs
    Maarten Boers
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Center, PO Box 7057, 1007 MB Amsterdam, The Netherlands
    J Clin Epidemiol 57:712-5. 2004
  2. doi request reprint Delphi process yielded consensus on terminology and research agenda for therapeutic footwear for neuropathic foot
    Rutger Dahmen
    Jan van Breemen Institute, Amsterdam, The Netherlands
    J Clin Epidemiol 61:819-26. 2008
  3. pmc Quality of life of adult retinoblastoma survivors in the Netherlands
    Jennifer van Dijk
    Department of Medical Psychology, VU University Medical Center Amsterdam, The Netherlands
    Health Qual Life Outcomes 5:30. 2007
  4. ncbi request reprint Prevention or retardation of joint damage in rheumatoid arthritis: issues of definition, evaluation and interpretation of plain radiographs
    Maarten Boers
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
    Drugs 62:1717-24. 2002
  5. ncbi request reprint Use of the American College of Rheumatology N (ACR-N) index of improvement in rheumatoid arthritis: argument in opposition
    Maarten Boers
    VU University Medical Center, Amsterdam, The Netherlands
    Arthritis Rheum 52:1642-5. 2005
  6. ncbi request reprint Making an impact on mortality in rheumatoid arthritis: targeting cardiovascular comorbidity
    Maarten Boers
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
    Arthritis Rheum 50:1734-9. 2004
  7. ncbi request reprint Glucocorticoids in rheumatoid arthritis: a senescent research agenda on the brink of rejuvenation?
    Maarten Boers
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
    Best Pract Res Clin Rheumatol 18:21-9. 2004
  8. doi request reprint A call for pragmatic treatment trials in rheumatoid arthritis
    Maarten Boers
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
    Nat Clin Pract Rheumatol 4:292-3. 2008
  9. ncbi request reprint Add-on or step-up trials for new drug development in rheumatoid arthritis: a new standard?
    Maarten Boers
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
    Arthritis Rheum 48:1481-3. 2003
  10. pmc The rate of NSAID-induced endoscopic ulcers increases linearly but not exponentially with age: a pooled analysis of 12 randomised trials
    Maarten Boers
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Center 9B 118, PO Box 7507, 1007 MB Amsterdam, The Netherlands
    Ann Rheum Dis 66:417-8. 2007

Detail Information

Publications93

  1. ncbi request reprint Null bar and null zone are better than the error bar to compare group means in graphs
    Maarten Boers
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Center, PO Box 7057, 1007 MB Amsterdam, The Netherlands
    J Clin Epidemiol 57:712-5. 2004
    ..Conventional graphs often include error bars around the group means. Regardless of what these bars depict, they are uninformative as to whether a difference between the groups is statistically significant...
  2. doi request reprint Delphi process yielded consensus on terminology and research agenda for therapeutic footwear for neuropathic foot
    Rutger Dahmen
    Jan van Breemen Institute, Amsterdam, The Netherlands
    J Clin Epidemiol 61:819-26. 2008
    ..To investigate areas of consensus and disagreement among Dutch physiatrists concerning prescription of therapeutic footwear for the neuropathic foot and to develop a research agenda...
  3. pmc Quality of life of adult retinoblastoma survivors in the Netherlands
    Jennifer van Dijk
    Department of Medical Psychology, VU University Medical Center Amsterdam, The Netherlands
    Health Qual Life Outcomes 5:30. 2007
    ..To assess the quality of life (QoL) and predictors thereof in Dutch adult hereditary and non-hereditary retinoblastoma (RB) survivors...
  4. ncbi request reprint Prevention or retardation of joint damage in rheumatoid arthritis: issues of definition, evaluation and interpretation of plain radiographs
    Maarten Boers
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
    Drugs 62:1717-24. 2002
    ....
  5. ncbi request reprint Use of the American College of Rheumatology N (ACR-N) index of improvement in rheumatoid arthritis: argument in opposition
    Maarten Boers
    VU University Medical Center, Amsterdam, The Netherlands
    Arthritis Rheum 52:1642-5. 2005
  6. ncbi request reprint Making an impact on mortality in rheumatoid arthritis: targeting cardiovascular comorbidity
    Maarten Boers
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
    Arthritis Rheum 50:1734-9. 2004
  7. ncbi request reprint Glucocorticoids in rheumatoid arthritis: a senescent research agenda on the brink of rejuvenation?
    Maarten Boers
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
    Best Pract Res Clin Rheumatol 18:21-9. 2004
    ..This chapter focuses on the research agenda in urgent need of execution: to define conclusively the benefit/harm trade-offs and pin down the place of these agents in the treatment cascade...
  8. doi request reprint A call for pragmatic treatment trials in rheumatoid arthritis
    Maarten Boers
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
    Nat Clin Pract Rheumatol 4:292-3. 2008
  9. ncbi request reprint Add-on or step-up trials for new drug development in rheumatoid arthritis: a new standard?
    Maarten Boers
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
    Arthritis Rheum 48:1481-3. 2003
  10. pmc The rate of NSAID-induced endoscopic ulcers increases linearly but not exponentially with age: a pooled analysis of 12 randomised trials
    Maarten Boers
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Center 9B 118, PO Box 7507, 1007 MB Amsterdam, The Netherlands
    Ann Rheum Dis 66:417-8. 2007
    ..Thus, it is concluded that increasing age is associated with both more frequent and more serious NSAID gastropathy...
  11. ncbi request reprint Seminal pharmaceutical trials: maintaining masking in analysis
    Maarten Boers
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Centre, 1007 MB Amsterdam, Netherlands
    Lancet 360:100-1. 2002
  12. doi request reprint Helicobacter pylori eradication in patients on long-term treatment with NSAIDs reduces the severity of gastritis: a randomized controlled trial
    Helena T J I de Leest
    Department of Rheumatology, VU University Medical Center, Amsterdam, The Netherlands
    J Clin Gastroenterol 43:140-6. 2009
    ....
  13. pmc Why are Dutch rheumatologists reluctant to use the COBRA treatment strategy in early rheumatoid arthritis?
    Lilian H D van Tuyl
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Center, PO Box 7057, 1053 MB Amsterdam, The Netherlands
    Ann Rheum Dis 66:974-6. 2007
    ..In addition, 5 years of follow-up proved that COBRA therapy results in sustained reduction of the rate of radiological progression. Despite this evidence, Dutch rheumatologists seem reluctant to prescribe COBRA therapy...
  14. doi request reprint Facilitating the use of COBRA combination therapy in early rheumatoid arthritis: a pilot implementation study
    Lilian H D van Tuyl
    Department of Rheumatology, EMGO Institute, and the Department of Epidemiology and Biostatistics, VU University Medical Center, 1081 HV Amsterdam, The Netherlands
    J Rheumatol 36:1380-6. 2009
    ....
  15. doi request reprint A new graph and scoring system simplified analysis of changing states: disease remissions in a rheumatoid arthritis clinical trial
    Maarten Boers
    Department of Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
    J Clin Epidemiol 63:633-7. 2010
    ..However, this approach is complex and not intuitive to clinicians. In this paper we propose a simple scoring system and a graph that can enhance the information about the remission experience in a trial or cohort study...
  16. doi request reprint Baseline RANKL:OPG ratio and markers of bone and cartilage degradation predict annual radiological progression over 11 years in rheumatoid arthritis
    Lilian H D van Tuyl
    VU University Medical Center, Department of Rheumatology, De Boelelaan 1117, Amsterdam, The Netherlands
    Ann Rheum Dis 69:1623-8. 2010
    ....
  17. doi request reprint Survival, comorbidities and joint damage 11 years after the COBRA combination therapy trial in early rheumatoid arthritis
    Lilian H D van Tuyl
    VU University Medical Center, Department of Rheumatology, ZH 3A 56, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
    Ann Rheum Dis 69:807-12. 2010
    ..This study evaluates survival, comorbidities and joint damage in the original COBRA trial cohort...
  18. ncbi request reprint [Rheumatoid arthritis: an equally strong risk factor for cardiovascular disease as diabetes mellitus]
    Mike J L Peters
    Vrije Universiteit Medisch Centrum, afd Reumatologie, Amsterdam, The Netherlands
    Ned Tijdschr Geneeskd 154:A1469. 2010
    ..16 (95% CI: 1.28-3.63) and 2.04 (95% CI: 1.12-3.67) respectively. CONCLUSION: RA is associated with an increased risk of CVD and this risk is similar to that associated with DM2...
  19. ncbi request reprint Progress toward the development of a new definition of remission in rheumatoid arthritis
    Maarten Boers
    Department of Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, Netherlands
    Bull NYU Hosp Jt Dis 68:140-2. 2010
    ..This article summarizes the development process to date. The new definition is expected to be launched in 2010...
  20. doi request reprint American College of Rheumatology/European League against Rheumatism provisional definition of remission in rheumatoid arthritis for clinical trials
    David T Felson
    Correspondence to Maarten Boers, Department of Epidemiology and Biostatistics, VU University Medical Center, PK 6Z 165, PO Box 7057, 1007 MB Amsterdam, The Netherlands
    Ann Rheum Dis 70:404-13. 2011
    ..This work was undertaken to develop such a definition...
  21. pmc Evidence for predictive validity of remission on long-term outcome in rheumatoid arthritis: a systematic review
    Lilian H D van Tuyl
    Department of Rheumatology, VU University Medical Center, Amsterdam, The Netherlands
    Arthritis Care Res (Hoboken) 62:108-17. 2010
    ..As part of an undertaking to redefine remission, the current review describes the relationship between remission and long-term structural outcome...
  22. doi request reprint Relapse-remission and remission-relapse switches in rheumatoid arthritis patients were modeled by random effects
    Johannes Berkhof
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Centre, Amsterdam, The Netherlands
    J Clin Epidemiol 62:1085-94. 2009
    ..To compare statistical models for the analysis of two-state disease processes...
  23. doi request reprint Does rheumatoid arthritis equal diabetes mellitus as an independent risk factor for cardiovascular disease? A prospective study
    Mike J L Peters
    VU Medical Center, Amsterdam, The Netherlands
    Arthritis Rheum 61:1571-9. 2009
    ..We prospectively assessed the incidence of CVD in patients with RA compared with patients with type 2 diabetes mellitus (DM) and the general population...
  24. ncbi request reprint Development of a standardized method of assessment of radiographs and radiographic change in juvenile idiopathic arthritis: introduction of the Dijkstra composite score
    Marion A J van Rossum
    Emma Children s Hospital AMC, Pediatric Rheumatology, Amsterdam, The Netherlands
    Arthritis Rheum 52:2865-72. 2005
    ..To evaluate the sensitivity to change of a newly developed radiologic assessment tool, the Dijkstra score, and to develop a numeric composite score and progressor classification scheme to apply in juvenile idiopathic arthritis (JIA) trials...
  25. ncbi request reprint Indirect and total costs of early rheumatoid arthritis: a randomized comparison of combined step-down prednisolone, methotrexate, and sulfasalazine with sulfasalazine alone
    Ingeborg Korthals-de Bos
    Institute for Research in Extramural Medicine, VU University Medical Center, Amsterdam, The Netherlands
    J Rheumatol 31:1709-16. 2004
    ..Analyses of the efficacy and direct costs of the treatments have already been reported...
  26. pmc Development of AMSTAR: a measurement tool to assess the methodological quality of systematic reviews
    Beverley J Shea
    EMGO Institute, VU University Medical Center, Amsterdam, The Netherlands
    BMC Med Res Methodol 7:10. 2007
    ..Our objective was to develop an instrument to assess the methodological quality of systematic reviews, building upon previous tools, empirical evidence and expert consensus...
  27. doi request reprint A first step to assess harm and benefit in clinical trials in one scale
    Maarten Boers
    Department of Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
    J Clin Epidemiol 63:627-32. 2010
    ..Several systems have been developed for assessment, but few attempt to incorporate both benefit and risk in the same metric while retaining enough simplicity to aid patients and clinicians in their decision making...
  28. doi request reprint Remission in early rheumatoid arthritis defined by 28 joint counts: limited consequences of residual disease activity in the forefeet on outcome
    Lilian H D van Tuyl
    VU University Medical Centre, Department of Rheumatology, ZH 3A 56, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
    Ann Rheum Dis 71:33-7. 2012
    ..A study was undertaken to study the consequences of remission misclassification due to residual disease activity in the feet on physical function and joint damage in the subsequent year in an observational early disease cohort...
  29. ncbi request reprint A randomized trial of PET scanning to improve diagnostic yield of direct laryngoscopy in patients with suspicion of recurrent laryngeal carcinoma after radiotherapy
    Remco de Bree
    Department of Otolaryngology Head and Neck Surgery, VU University Medical Center, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
    Contemp Clin Trials 28:705-12. 2007
    ..Resectability of recurrent tumor and tumor negative surgical margins after total laryngectomy will be used as proxy endpoints. The trial will also compare quality of life and direct medical costs between both arms...
  30. ncbi request reprint Direct medical costs of traumatic thoracolumbar spine fractures
    Nicole van der Roer
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
    Acta Orthop 76:662-6. 2005
    ..The costs and cost-effectiveness of treatment of thoracolumbar fractures are poorly known...
  31. pmc Defining remission in rheumatoid arthritis: results of an initial American College of Rheumatology/European League Against Rheumatism consensus conference
    Lilian H D van Tuyl
    VU University Medical Center, Amsterdam, The Netherlands
    Arthritis Rheum 61:704-10. 2009
    ..The need for a uniform definition of remission is vital for research findings to be correctly interpreted...
  32. doi request reprint Effectiveness of case management among older adults with early symptoms of dementia and their primary informal caregivers: a randomized clinical trial
    Aaltje P D Jansen
    Department of General Practice, EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
    Int J Nurs Stud 48:933-43. 2011
    ..However, diagnosing dementia often occurs late in the disease. This means that a significant number of patients with early symptoms of dementia and their informal caregivers may lack appropriate care...
  33. doi request reprint Longitudinal tobit regression: a new approach to analyze outcome variables with floor or ceiling effects
    Jos Twisk
    Department of Clinical Epidemiology and Biostatistics, VU Medical Centre, Amsterdam, The Netherlands
    J Clin Epidemiol 62:953-8. 2009
    ..In many epidemiologic longitudinal studies, the outcome variable has floor or ceiling effects. Although it is not correct, these variables are often treated as normally distributed continuous variables...
  34. doi request reprint Anxiety symptoms and cognitive performance in later life: results from the longitudinal aging study Amsterdam
    Ellis J M Bierman
    Department of Psychiatry and EMGO Institute, VU Medical Centre, Amsterdam, The Netherlands
    Aging Ment Health 12:517-23. 2008
    ..This study investigates whether, and if so how, anxiety symptoms are related to cognitive decline in elderly persons and whether anxiety symptoms precede cognitive decline...
  35. doi request reprint A new design for registration trials in rheumatoid arthritis allowing secondary head-to-head comparisons with standard of care treatment including biologicals
    Maarten Boers
    Department of Epidemiology and Biostatistics, VU University Medical Center, PK 6Z 165, PO Box 7057, 1007 MB Amsterdam, The Netherlands
    Ann Rheum Dis 69:4-6. 2010
    ..Widespread adoption of the design will greatly help to determine the place of a new product in the spectrum of treatment possibilities of rheumatoid arthritis...
  36. pmc Primary care patients with mental health problems: outcome of a randomised clinical trial
    Bettine Schreuders
    EMGO Institute, Department of General Practice, VU University Medical Centre, Amsterdam, The Netherlands
    Br J Gen Pract 57:886-91. 2007
    ..Patients with these problems take up more time during a consultation and attend more frequently...
  37. pmc Minimally important change determined by a visual method integrating an anchor-based and a distribution-based approach
    Henrica C W de Vet
    EMGO Institute, VU University Medical Center, Amsterdam, The Netherlands
    Qual Life Res 16:131-42. 2007
    ..Minimally important changes (MIC) in scores help interpret results from health status instruments. Various distribution-based and anchor-based approaches have been proposed to assess MIC...
  38. ncbi request reprint Eradication of Helicobacter pylori does not reduce the incidence of gastroduodenal ulcers in patients on long-term NSAID treatment: double-blind, randomized, placebo-controlled trial
    Helena T J I de Leest
    Department of Rheumatology, VU University Medical Center, Amsterdam, The Netherlands
    Helicobacter 12:477-85. 2007
    ..Helicobacter pylori and nonsteroidal antiinflammatory drugs (NSAIDs) are the major causes of gastroduodenal ulcers. Studies on the benefit of eradication of H. pylori in NSAID users yielded conflicting results...
  39. doi request reprint Patient perspective on remission in rheumatoid arthritis
    Lilian H D van Tuyl
    VU University Medical Center, Amsterdam, The Netherlands
    J Rheumatol 38:1735-8. 2011
    ....
  40. ncbi request reprint Costs of treating bleeding and perforated peptic ulcers in The Netherlands
    Helena de Leest
    Department of Rheumatology, VU University Medical Center, Amsterdam, The Netherlands
    J Rheumatol 31:788-91. 2004
    ..We estimated the direct costs of hospital treatment of bleeding and perforated ulcers in a university hospital, from data in discharge letters and the hospital management information system...
  41. ncbi request reprint Posttraumatic stress in aging World War II survivors after a fireworks disaster: a controlled prospective study
    Inge Bramsen
    VU University Medical Center, Amsterdam, The Netherlands
    J Trauma Stress 19:291-300. 2006
    ..This unique controlled observation suggests that disasters do increase the levels of posttraumatic stress, and that reactivation of previous traumatic events generally occurs. However, the vulnerability hypothesis was not supported...
  42. ncbi request reprint Practice, efficacy, and costs of thyroid nodule evaluation: a retrospective study in a Dutch university hospital
    Lotty Hooft
    Department of Clinical Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
    Thyroid 14:287-93. 2004
    ..Thyroid scintigraphy proved most productive in the inadequate FNA category. Improvement of the diagnostic process using immunohistochemistry and/or imaging is needed from the patient's and society's perspective...
  43. ncbi request reprint Deriving an operational definition of low disease activity state in rheumatoid arthritis
    Maarten Boers
    VU University Medical Centre, Amsterdam, The Netherlands
    J Rheumatol 30:1112-4. 2003
    ..Once a few candidate definitions have been selected, their usefulness and prognostic validity can be tested in longitudinal datasets...
  44. ncbi request reprint Cost effectiveness and cost utility of acetylcysteine versus dimethyl sulfoxide for reflex sympathetic dystrophy
    Hiske E M van Dieten
    Department of Clinical Epidemiology and Biostatistics, Vrije Universiteit, Amsterdam, Netherlands
    Pharmacoeconomics 21:139-48. 2003
    ..To determine the cost effectiveness and cost utility of acetylcysteine versus dimethyl sulfoxide (DMSO) for patients with reflex sympathetic dystrophy (RSD), from a societal viewpoint...
  45. doi request reprint A nationwide analysis of incidence and outcome of breast cancer in the country of Surinam, during 1994-2003
    Rachel S van Leeuwaarde
    Department of Medicine, VU University Medical Center, Amsterdam, The Netherlands
    Breast Cancer Res Treat 128:873-81. 2011
    ..A number of steps are underway to improve the level of cancer care in Surinam...
  46. ncbi request reprint Dose-dependent influence of 5-aminosalicylates on thiopurine metabolism
    Nanne K H de Boer
    Gastroenterology and Hepatology, VU University Medical Center, Amsterdam, The Netherlands
    Am J Gastroenterol 102:2747-53. 2007
    ..Studies indicated that 5-aminosalicylates (5-ASA) may influence the metabolism of thiopurines; however, conclusions were restricted as a result of number of patients or study design...
  47. ncbi request reprint Depression in old age (75+), the PIKO study
    Petronella J van't Veer-Tazelaar
    Department of General Practice, VU University Medical Centre, Amsterdam, The Netherlands
    J Affect Disord 106:295-9. 2008
    ..The role--if any--of age and gender in 'Geriatric Depression' is still unclear...
  48. ncbi request reprint Traditional versus up-front [18F] fluorodeoxyglucose-positron emission tomography staging of non-small-cell lung cancer: a Dutch cooperative randomized study
    Gerarda J M Herder
    Department of Pulmonology, VU University Medical Center, Amsterdam, The Netherlands
    J Clin Oncol 24:1800-6. 2006
    ..We investigated whether application of positron emission tomography (PET) immediately after first presentation might simplify staging while maintaining accuracy, as compared with traditional strategy in routine clinical setting...
  49. ncbi request reprint Progression of radiologic damage in patients with rheumatoid arthritis in clinical remission
    Esmeralda T H Molenaar
    VU University Medical Center, Amsterdam, The Netherlands
    Arthritis Rheum 50:36-42. 2004
    ..To assess whether radiologic progression occurs during clinical remission in patients with rheumatoid arthritis (RA)...
  50. ncbi request reprint Incidence of retinoblastoma in children born after in-vitro fertilisation
    Annette C Moll
    Department of Ophthalmology, Vrije Universiteit Medical Centre, 1081 HV, Amsterdam, Netherlands
    Lancet 361:309-10. 2003
    ..2 [95% CI 2.4-17.0], and 4.9 [1.6-11.3], for 1% and 1.5% rates, respectively). This possible association of an increased risk of retinoblastoma in a population-based study needs to be established...
  51. ncbi request reprint Scope for improvement in the quality of reporting of systematic reviews. From the Cochrane Musculoskeletal Group
    Beverley Shea
    EMGO Institute, Department of Clinical Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
    J Rheumatol 33:9-15. 2006
    ..To assess the quality of reporting in Cochrane musculoskeletal systematic reviews (excluding back and injury reviews)...
  52. ncbi request reprint Effectiveness of positron emission tomography in the preoperative assessment of patients with suspected non-small-cell lung cancer: the PLUS multicentre randomised trial
    Harm Van Tinteren
    Comprehensive Cancer Centre Amsterdam, Amsterdam, Netherlands
    Lancet 359:1388-93. 2002
    ..We did a randomised controlled trial in patients with suspected non-small-cell lung cancer, who were scheduled for surgery after conventional workup, to test whether PET with 18FDG reduces number of futile thoracotomies...
  53. ncbi request reprint Methods to monitor response to chemotherapy in non-small cell lung cancer with 18F-FDG PET
    Corneline J Hoekstra
    Clinical PET Centre, VU University Medical Centre, Amsterdam, The Netherlands
    J Nucl Med 43:1304-9. 2002
    ..The aim of this study was to select those methods that would qualify for further assessment in a future prospective response-monitoring study by comparing results with patient outcome...
  54. ncbi request reprint Markers for type II collagen breakdown predict the effect of disease-modifying treatment on long-term radiographic progression in patients with rheumatoid arthritis
    Robert Landewe
    Department of Internal Medicine Rheumatology, University Hospital Maastricht, PO Box 5800, 6202 AZ Maastricht, The Netherlands
    Arthritis Rheum 50:1390-9. 2004
    ....
  55. ncbi request reprint Evidence for interaction between disease severity and comorbidity in rheumatoid arthritis? comment on the article by Navarro-Cano et al
    Maarten Boers
    Arthritis Rheum 50:1695; author reply 1696-7. 2004
  56. ncbi request reprint Why publish a secondary analysis of only one treatment group in the Behandelstrategieën voor Reumatoide Artritis trial? Comment on the article by van der Bijl et al
    Maarten Boers
    Arthritis Rheum 56:3876; author reply 2876-7. 2007
  57. ncbi request reprint The Sharp/van der Heijde method out-performed the Larsen/Scott method on the individual patient level in assessing radiographs in early rheumatoid arthritis
    Karin Bruynesteyn
    Department of Internal Medicine, Division of Rheumatology, University of Maastricht, P O Box 5800, 6202 AZ, Maastricht, The Netherlands
    J Clin Epidemiol 57:502-12. 2004
    ..To test the reliability of two radiologic scoring methods in rheumatoid arthritis (RA)--the Sharp/van der Heijde (SvH) and the Larsen/Scott (LS)--with generalizability analyses...
  58. ncbi request reprint Cost-effectiveness of FDG-PET in staging non-small cell lung cancer: the PLUS study
    Paul Verboom
    Institute for Medical Technology Assessment, Erasmus Medical Centre Erasmus University Rotterdam, P O Box 1738, 3000 DR, Rotterdam, The Netherlands
    Eur J Nucl Med Mol Imaging 30:1444-9. 2003
    ..The additional use of PET in the staging of patients with NSCLC is feasible, safe and cost saving from a clinical and from an economic perspective...
  59. ncbi request reprint Economic evaluation of programs or interventions in the management of rheumatoid arthritis: defining a consensus-based reference case
    Andreas Maetzel
    Division of Clinical Decision Making and Health Care Research, Toronto General Research Institute, University Health Network, Toronto, Ontario, Canada
    J Rheumatol 30:891-6. 2003
    ..We provide the rationale for each element and discuss how each element has been addressed in published economic evaluations of DMARD...
  60. ncbi request reprint Outcomes from the Patient Perspective Workshop at OMERACT 6
    John Kirwan
    University of Bristol Rheumatology Unit, Bristol Royal Infirmary, Bristol, UK
    J Rheumatol 30:868-72. 2003
    ....
  61. ncbi request reprint COBRA combination therapy in patients with early rheumatoid arthritis: long-term structural benefits of a brief intervention
    Robert B M Landewe
    Department of Internal Medicine Rheumatology, PO Box 5800, University Hospital Maastricht, 6202 AZ Maastricht, The Netherlands
    Arthritis Rheum 46:347-56. 2002
    ..The current study was conducted to investigate whether the benefits of COBRA therapy were sustained over time, and to determine which baseline factors could predict outcome...
  62. ncbi request reprint Radiologic features in juvenile idiopathic arthritis: a first step in the development of a standardized assessment method
    Marion A J van Rossum
    Department of Pediatrics, Leiden University Medical Center, Leiden, The Netherlands
    Arthritis Rheum 48:507-15. 2003
    ....
  63. ncbi request reprint Association of baseline levels of markers of bone and cartilage degradation with long-term progression of joint damage in patients with early rheumatoid arthritis: the COBRA study
    Patrick Garnero
    INSERM Research Unit 403, and Synarc, Lyon, France
    Arthritis Rheum 46:2847-56. 2002
    ....
  64. ncbi request reprint Contribution of progression of erosive damage in previously eroded joints in early rheumatoid arthritis trials: COBRA trial as an example
    Karin Bruynesteyn
    University of Maastricht, Maastricht, The Netherlands
    Arthritis Rheum 47:532-6. 2002
    ..The aim of this study is to evaluate the relative contribution of separate components of the erosion score of the modified Sharp/van der Heijde method in early RA...
  65. ncbi request reprint Determination of the minimal clinically important difference in rheumatoid arthritis joint damage of the Sharp/van der Heijde and Larsen/Scott scoring methods by clinical experts and comparison with the smallest detectable difference
    Karin Bruynesteyn
    Maastricht University, Maastricht, The Netherlands
    Arthritis Rheum 46:913-20. 2002
    ....
  66. ncbi request reprint The relationship between disease activity and radiologic progression in patients with rheumatoid arthritis: a longitudinal analysis
    Paco M J Welsing
    University Medical Center Nijmegen, Nijmegen, The Netherlands
    Arthritis Rheum 50:2082-93. 2004
    ....
  67. ncbi request reprint Discontinuation of Vioxx
    Maarten Boers
    Lancet 365:25-6; author reply 26-7. 2005
  68. pmc Rationale and design of The Delphi Trial--I(RCT)2: international randomized clinical trial of rheumatoid craniocervical treatment, an intervention-prognostic trial comparing 'early' surgery with conservative treatment [ISRCTN65076841]
    Jasper F C Wolfs
    Department of Neurosurgery, Leiden University Medical Center, The Netherlands
    BMC Musculoskelet Disord 7:14. 2006
    ..If signs and symptoms of myelopathy are present there is little chance of recovery to normal levels after surgery...
  69. ncbi request reprint Effect of dosage on coxib- or nonsteroidal antiinflammatory drug-associated cardiovascular risk? Comment on the article by Solomon et al
    Maarten Boers
    Arthritis Rheum 56:384; author reply 384. 2007
  70. ncbi request reprint Studying the benefit/risk ratio of glucocorticoids in rheumatoid arthritis
    Maarten Boers
    J Rheumatol 34:661-3. 2007
  71. ncbi request reprint Minimal disease activity for rheumatoid arthritis: a preliminary definition
    George A Wells
    Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Ontario, Canada
    J Rheumatol 32:2016-24. 2005
    ..This set of 2 definitions gained approval of 73% of the attendees. These (and other) definitions will now be subject to further validation in other databases...
  72. ncbi request reprint Rationale and strategies for reevaluating the ACR20
    David T Felson
    Boston University School of Medicine, Boston, Massachusetts 02118, USA
    J Rheumatol 34:1184-7. 2007
    ..To assess whether the American College of Rheumatology response criteria ACR20 should be replaced by another definition of response with enhanced discriminant validity...
  73. pmc Long-term outcome of juvenile idiopathic arthritis following a placebo-controlled trial: sustained benefits of early sulfasalazine treatment
    Marion A J van Rossum
    Emma Children s Hospital AMC, Paediatric Rheumatology, G8 205, PO Box 22660, 1100 DD Amsterdam, The Netherlands
    Ann Rheum Dis 66:1518-24. 2007
    ..The current study determines the long-term outcome of the trial participants and evaluates whether the benefits of SSZ allocation are sustained over time...
  74. ncbi request reprint Minimal disease activity, remission, and the long-term outcomes of rheumatoid arthritis
    Frederick Wolfe
    National Data Bank for Rheumatic Diseases, Wichita, Kansas 67214, USA
    Arthritis Rheum 57:935-42. 2007
    ....
  75. pmc Minimal clinically important improvement and patient acceptable symptom state for subjective outcome measures in rheumatic disorders
    Florence Tubach
    Département d Epidémiologie, Biostatistique et Recherche Clinique, Hopital Bichat, Paris, France
    J Rheumatol 34:1188-93. 2007
    ..The purpose of this SIG at OMERACT 8 was to inform participants of the MCII and PASS concepts and to agree on MCII and PASS values for pain, patient global assessment, and functional impairment...
  76. ncbi request reprint Screening for pineoblastoma in patients with retinoblastoma
    Annette C Moll
    Arch Ophthalmol 120:1774; author reply 1774. 2002
  77. ncbi request reprint Outcome measures for clinical research in sepsis: a report of the 2nd Cambridge Colloquium of the International Sepsis Forum
    John C Marshall
    Department of Surgery, Interdepartmental Division of Critical Care Medicine, University of Toronto, St Michael s Hospital, Canada
    Crit Care Med 33:1708-16. 2005
    ..We sought to evaluate existing approaches and to draw on insights from other disciplines to propose a comprehensive approach to outcome evaluation in sepsis clinical trials...
  78. ncbi request reprint Detecting radiological changes in rheumatoid arthritis that are considered important by clinical experts: influence of reading with or without known sequence
    Karin Bruynesteyn
    Division of Rheumatology, Maastricht University, Maastricht, The Netherlands
    J Rheumatol 29:2306-12. 2002
    ....
  79. ncbi request reprint Current status of outcome measures in vasculitis: focus on Wegener's granulomatosis and microscopic polyangiitis. Report from OMERACT 7
    Peter A Merkel
    Boston University School of Medicine, Boston, MA 02118, USA
    J Rheumatol 32:2488-95. 2005
    ....
  80. ncbi request reprint Abatacept in rheumatoid arthritis: a new branch on the "biologics" tree
    Maarten Boers
    Ann Intern Med 144:933-5. 2006
  81. ncbi request reprint How to report radiographic data in randomized clinical trials in rheumatoid arthritis: guidelines from a roundtable discussion
    Desiree van der Heijde
    Department of Internal Medicine, University Hospital Maastricht, Maastricht, The Netherlands
    Arthritis Rheum 47:215-8. 2002
  82. ncbi request reprint The benefit of low-dose glucocorticoid treatment in early rheumatoid arthritis may outweigh the risk: comment on the editorial by Harris
    Johannes W G Jacobs
    Arthritis Rheum 54:2031-2; author reply 2032. 2006
  83. ncbi request reprint Assessing single joints in arthritis clinical trials
    Jon T Giles
    Division of Rheumatology, Johns Hopkins University, Baltimore, Maryland 21224, USA
    J Rheumatol 34:641-7. 2007
    ..At OMERACT 8, the group developed a research agenda to perform additional validation studies of clinical and functional indices, imaging, synovial histopathology, and soluble biomarkers...
  84. ncbi request reprint Standardized assessment of adverse events in rheumatology clinical trials: summary of the OMERACT 7 drug safety module update
    Marissa N D Lassere
    Department of Rheumatology, University of New South Wales, St George Hospital, Belgrave Street, Kogarah, Sydney, 2127 NSW, Australia
    J Rheumatol 32:2037-41. 2005
    ..Most found the patient checklist attractive, particularly if the patient instrument was shown to be reliable and valid. Finally, a future research agenda was discussed...
  85. ncbi request reprint Considerations and preliminary proposals for defining a reference case for economic evaluations in ankylosing spondylitis
    Nick Bansback
    Centre for Health Evaluation and Outcome Sciences, St Paul s Hospital, Vancouver, British Columbia, Canada
    J Rheumatol 34:1178-83. 2007
    ..Ten methodological issues are presented that will be important for future development of evaluations. Tentative proposals to define the issues in a reference case for AS are made, along with recommendations for further research...
  86. ncbi request reprint Chemoreduction for retinoblastoma
    Annette C Moll
    Arch Ophthalmol 121:1513. 2003
  87. ncbi request reprint Understanding the window of opportunity concept in early rheumatoid arthritis
    Maarten Boers
    Arthritis Rheum 48:1771-4. 2003
  88. ncbi request reprint MCID/Low Disease Activity State Workshop: summary, recommendations, and research agenda
    George Wells
    Department of Clinical Epidemiology and Community Medicine, University of Ottawa, Ottawa, Ontario, Canada
    J Rheumatol 30:1115-8. 2003
    ..This article presents an overview of that workshop, including results of the voting, a summary of associated discussions, recommendations, and a proposed research agenda...
  89. ncbi request reprint MCID/Low Disease Activity State Workshop: low disease activity state in rheumatoid arthritis
    George Wells
    Department of Clinical Epidemiology and Community Medicine, University of Ottawa, Ottawa, Canada
    J Rheumatol 30:1110-1. 2003
    ..This article describes the process of the MCID/Low Disease Activity State Workshop at OMERACT 6 to develop such a definition...
  90. ncbi request reprint Can progression of radiographic joint damage be predicted early in rheumatoid arthritis?
    Alexandre E Voskuyl
    J Rheumatol 30:905-7. 2003
  91. ncbi request reprint Is there a preferred method for scoring activity of the spine by magnetic resonance imaging in ankylosing spondylitis?
    Desiree van der Heijde
    Department of Internal Medicine, Division of Rheumatology, University Hospital Maastricht and CAPHRI Research Institute, University Maastricht, The Netherlands d vanderheijde kpnplanet nl
    J Rheumatol 34:871-3. 2007
    ..The Berlin and SPARCC methods were preferred most frequently. The development of a new method combining the best elements of all methods is an additional possibility...
  92. ncbi request reprint Variability of precision in scoring radiographic abnormalities in rheumatoid arthritis by experienced readers
    John T Sharp
    University of Washington School of Medicine, Seattle, Washington, USA
    J Rheumatol 31:1062-72. 2004
    ..To determine the extent of precision and sources of variability among experts on scoring radiographic abnormalities in rheumatoid arthritis...
  93. ncbi request reprint Missing data in trials: do we have to keep carrying the last observation forward?
    Maarten Boers
    Arthritis Rheum 59:2-3. 2008