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Official Journal of the American College of Rheumatology

EDITORIAL

Consent to Research in Arthritis: Quantity of Information Versus Quality

Sarah Hewlett 281

ORIGINAL ARTICLES

Antiinflammatory Therapy

The Cost Effectiveness of Rofecoxib and Celecoxib in Patients With Osteoarthritis or Rheumatoid Arthritis

Andreas Maetzel, Murray Krahn, and Gary Naglie 283

The Effects of Physician Specialty and Patient Comorbidities on the Use and Discontinuation of Coxibs

Fausto G. Patino, Jeroan Allison, Jason Olivieri, Amy Mudano, Lucia Juarez, Sharina Person, Ted R. Mikuls, Larry Moreland, Stacey H. Kovac, and Kenneth G. Saag 293

Dermatomyositis

US Incidence of Juvenile Dermatomyositis, 1995-1998: Results From the National Institute of Arthritis and Musculoskeletal and Skin Diseases Registry

Eduardo P. Mendez, Rebecca Lipton, Rosalind Ramsey-Goldman, Phil Roettcher, Susan Bowyer, Alan Dyer, and Lauren M. Pachman, for the NIAMS Juvenile DM Registry Physician Referral Group 300

Exercise in Arthritis

Exercise-Related Goals and Self-Efficacy as Correlates of Aquatic Exercise in Individuals With Arthritis

Nancy C. Gyurcsik, Paul A. Estabrooks, and Melissa J. Frahm-Templar 306

Fibromyalgia

Operant Behavioral Treatment of Fibromyalgia: A Controlled Study

Kati Thieme, Erika Gromnica-Ihle, and Herta Flor 314

Hip Dysfunction

Promising Outcome of a Hip School for Patients With Hip Dysfunction

Maria Klassbo, Gerry Larsson, and Karin Harms-Ringdahl 321

Infectious Etiology of Arthritis

Bacterial Components in the Synovial Tissue of Patients With Advanced Rheumatoid Arthritis or Osteoarthritis: Analysis With Gas Chromatography-Mass Spectrometry and Pan-Bacterial Polymerase Chain Reaction

Tong Chen, Marja Rimpilainen, Reijo Luukkainen, Timo Mottonen, Tuomas Yli-Jama, Jari Jalava, Olli Vainio, and Paavo Toivanen 328

Lupus Erythematosus

European Consensus Lupus Activity Measurement Is Sensitive to Change in Disease Activity in Childhood-Onset Systemic Lupus Erythematosus

Hermine I. Brunner, Earl D. Silverman, Claire Bombardier, and Brian M. Feldman 335

Rheumatoid Arthritis

Changes in Self-Efficacy and Health Status Over 5 Years: A Longitudinal Observational Study of 306 Patients With Rheumatoid Arthritis

Mette Brekke, Per Hjortdahl, and Tore K. Kvien 342

Development of a Work Instability Scale for Rheumatoid Arthritis

Gill Gilworth, M. Anne Chamberlain, Andrew Harvey, Amanda Woodhouse, Jacqui Smith, M. Glyn Smyth, and Alan Tennant 349

Vertebral Deformities in 229 Female Patients With Rheumatoid Arthritis: Associations With Clinical Variables and Bone Mineral Density

Ragnhild E. Orstavik, Glenn Haugeberg, Till Uhlig, Jan A. Falch, Johan I. Halse, Arne H\oiseth, Finn Lilleas, and Tore K. Kvien 355

Informed Consent in a Clinical Trial of a Novel Treatment for Rheumatoid Arthritis

Lisa G. Criscione, Jeremy Sugarman, Linda Sanders, David S. Pisetsky, and E. William St.Clair 361

A Comparison of Self-Reports of Distress and Affective Disorder Diagnoses in Rheumatoid Arthritis: A Receiver Operator Characteristic Analysis

Julia McQuillan, Judith Fifield, T. Joseph Sheehan, Susan Reisine, Howard Tennen, Victor Hesselbrock, and Naomi Rothfield 368

Effects of Disease Management Programs on Functional Status of Patients With Rheumatoid Arthritis

Enkhe Badamgarav, Joseph D. Croft, Jr., Andriana Hohlbauch, James S. Louie, James O'Dell, Joshua J. Ofman, Maria E. Suarez-Almazor, Arthur Weaver, Patience White, and Paul Katz, on behalf of the Evidence-Based Medicine Working Groups in Rheumatology 377

Vasculitis

The Epidemiology of the Primary Systemic Vasculitides in Northwest Spain: Implications of the Chapel Hill Consensus Conference Definitions

Miguel A. Gonzalez-Gay, Carlos Garcia-Porrua, Jose Guerrero, Pilar Rodriguez-Ledo, and Javier Llorca 388

CASE REPORT

Improvement in Sjogren's Syndrome Following Therapy With Rituximab for Marginal Zone Lymphoma

Bradley G. Somer, Donald E. Tsai, Lisa Downs, Barry Weinstein, and Stephen J. Schuster 394

CLINICAL GUIDELINES

Evidence-Based Guidelines for the Use of Immunologic Tests: Anticentromere, Scl-70, and Nucleolar Antibodies

John D. Reveille, Daniel H. Solomon, and The American College of Rheumatology Ad Hoc Committee on Immunologic Testing Guidelines 399

REVIEW

Aspiration and Injection Therapies for Joints

H. Ralph Schumacher, Jr. 413

TRAINEE ROUNDS

Cerebral Amyloid Angiopathy Associated With Primary Angiitis of the Central Nervous System: Report of 2 Cases and Review of the Literature

Pascale Schwab, Hart G. W. Lidov, Richard B. Schwartz, and Ronald J. Anderson 421

SPECIAL ARTICLES

Evidence for the Benefit of Aerobic and Strengthening Exercise in Rheumatoid Arthritis

Christina H. Stenstrom and Marian A. Minor 428

Exercise and Fitness in Children With Arthritis: Evidence of Benefits for Exercise and Physical Activity

Susan E. Klepper 435

Muscle Dysfunction and Effective Rehabilitation of Knee Osteoarthritis: What We Know and What We Need to Find Out

Michael V. Hurley 444

Work Group Recommendations: 2002 Exercise and Physical Activity Conference, St. Louis, Missouri Session V: Evidence of Benefit of Exercise and Physical Activity in Arthritis 453

Community-Based Physical Activity Intervention

Patricia A. Sharpe 455

Arthritis Foundation Community-Based Physical Activity Programs: Effectiveness and Implementation Issues

Michele L. Boutaugh 463

Implementing the National Arthritis Action Plan: New Population-Based Approaches to Increasing Physical Activity Among People With Arthritis

Teresa J. Brady and Joseph E. Sniezek 471

Work Group Recommendations: 2002 Exercise and Physical Activity Conference, St. Louis, Missouri Session VI: Population Approaches to Health Promotion and Disability Prevention Through Physical Activity 477

Erratum 477

Cover image: This is an award-winning image from the 2002 American College of Rheumatology slide contest. This angiogram shows segmental narrowing of the subclavian artery in a patient with giant cell arteritis who presented with upper extremity claudication. Submitted by Lawrence Levin, MD
Honolulu, Hawaii.