Arthroplasty/Joint Replacement

Richard J. Friedman, MD, FRCSC, Alexander Gallus, MBBS, FRACP, FRCPA, FRCP(C), Enrique Gil-Garay, MD, PhD, Gordon FitzGerald, PhD, and Fred Cushner, MD

Dr. Friedman is with Charleston Orthopedic Associates, Charleston, South Carolina, USA.

Dr. Gallus is with the Department of Haematology, Flinders Medical Centre, Adelaide, Australia.

Dr. Gil-Garay is with Hospital Universitario La Paz, Madrid, Spain.

Dr. FitzGerald is with the Center for Outcomes Research, University of Massachusetts Medical School, Worcester,

Massachusetts, USA.

Dr. Cushner is with the ISK Institute for Orthopaedics and Sports Medicine, New York, New York, USA.

Richard J. Friedman, MD, FRCSC, Alexander Gallus, MBBS, FRACP, FRCPA, FRCP(C), Enrique Gil-Garay, MD, PhD, Gordon FitzGerald, PhD, and Fred Cushner, MD

Dr. Friedman is with Charleston Orthopedic Associates, Charleston, South Carolina, USA.

Dr. Gallus is with the Department of Haematology, Flinders Medical Centre, Adelaide, Australia.

Dr. Gil-Garay is with Hospital Universitario La Paz, Madrid, Spain.

Dr. FitzGerald is with the Center for Outcomes Research, University of Massachusetts Medical School, Worcester,

Massachusetts, USA.

Dr. Cushner is with the ISK Institute for Orthopaedics and Sports Medicine, New York, New York, USA.

Richard J. Friedman, MD, FRCSC, Alexander Gallus, MBBS, FRACP, FRCPA, FRCP(C), Enrique Gil-Garay, MD, PhD, Gordon FitzGerald, PhD, and Fred Cushner, MD

Dr. Friedman is with Charleston Orthopedic Associates, Charleston, South Carolina, USA.

Dr. Gallus is with the Department of Haematology, Flinders Medical Centre, Adelaide, Australia.

Dr. Gil-Garay is with Hospital Universitario La Paz, Madrid, Spain.

Dr. FitzGerald is with the Center for Outcomes Research, University of Massachusetts Medical School, Worcester,

Massachusetts, USA.

Dr. Cushner is with the ISK Institute for Orthopaedics and Sports Medicine, New York, New York, USA.

James Waddell, MD, Kirk Johnson, MD, Werner Hein, MD, Jens Raabe, MD, Gordon FitzGerald, PhD, and Flávio Turibio, MD

Dr. Waddell is with St. Michael's Hospital, Toronto, Ontario, Canada.

Dr. Johnson is with the University of Massachusetts, Worcester, Massachusetts, USA.

Dr. Raabe is with Martin-Luther-Universität Orthopädische Universitäts-Klinik, Halle, Germany.

Dr. FitzGerald is with the Center for Outcomes Research, University of Massachusetts Medical School, Worcester,

Massachusetts, USA.

Dr. Turibio is with Hospital Santa Marcelina, São Paulo, Brazil.

James Waddell, MD, Kirk Johnson, MD, Werner Hein, MD, Jens Raabe, MD, Gordon FitzGerald, PhD, and Flávio Turibio, MD

Dr. Waddell is with St. Michael's Hospital, Toronto, Ontario, Canada.

Dr. Johnson is with the University of Massachusetts, Worcester, Massachusetts, USA.

Dr. Raabe is with Martin-Luther-Universität Orthopädische Universitäts-Klinik, Halle, Germany.

Dr. FitzGerald is with the Center for Outcomes Research, University of Massachusetts Medical School, Worcester,

Massachusetts, USA.

Dr. Turibio is with Hospital Santa Marcelina, São Paulo, Brazil.

James Waddell, MD, Kirk Johnson, MD, Werner Hein, MD, Jens Raabe, MD, Gordon FitzGerald, PhD, and Flávio Turibio, MD

Dr. Waddell is with St. Michael's Hospital, Toronto, Ontario, Canada.

Dr. Johnson is with the University of Massachusetts, Worcester, Massachusetts, USA.

Dr. Raabe is with Martin-Luther-Universität Orthopädische Universitäts-Klinik, Halle, Germany.

Dr. FitzGerald is with the Center for Outcomes Research, University of Massachusetts Medical School, Worcester,

Massachusetts, USA.

Dr. Turibio is with Hospital Santa Marcelina, São Paulo, Brazil.

Frederick A. Anderson, Jr., PhD

Dr. Anderson is Study Coordinating Center Director, Center for Outcomes Research, University of Massachusetts Medical

School, Worcester, Massachusetts.

Frederick A. Anderson, Jr., PhD

Dr. Anderson is Study Coordinating Center Director, Center for Outcomes Research, University of Massachusetts Medical

School, Worcester, Massachusetts.

Frederick A. Anderson, Jr., PhD

Dr. Anderson is Study Coordinating Center Director, Center for Outcomes Research, University of Massachusetts Medical

School, Worcester, Massachusetts.

Philip R. Langer, MD, and F. Harlan Selesnick, MD

Dr. Langer is Assistant Team Physician and Orthopedic Surgeon for the Atlanta Falcons and the Atlanta Thrashers, Atlanta Sports Medicine & Orthopedic Center, Atlanta, Georgia.

Dr. Selesnick is Head Team Physician and Orthopedic Surgeon for the Miami Heat, Orthopedic Institute of South Florida, Coral Gables, Florida.

Philip R. Langer, MD, and F. Harlan Selesnick, MD

Dr. Langer is Assistant Team Physician and Orthopedic Surgeon for the Atlanta Falcons and the Atlanta Thrashers, Atlanta Sports Medicine & Orthopedic Center, Atlanta, Georgia.

Dr. Selesnick is Head Team Physician and Orthopedic Surgeon for the Miami Heat, Orthopedic Institute of South Florida, Coral Gables, Florida.

Philip R. Langer, MD, and F. Harlan Selesnick, MD

Dr. Langer is Assistant Team Physician and Orthopedic Surgeon for the Atlanta Falcons and the Atlanta Thrashers, Atlanta Sports Medicine & Orthopedic Center, Atlanta, Georgia.

Dr. Selesnick is Head Team Physician and Orthopedic Surgeon for the Miami Heat, Orthopedic Institute of South Florida, Coral Gables, Florida.

Anne R. Bass, MD, Christopher J. Mattern, MD, MBA, James E. Voos, MD, Margaret G. E. Peterson, PhD, and David W. Trost, MD

Dr. Bass is Associate Professor of Clinical Medicine, Weill Cornell Medical College, New York, New York, and Associate Attending, Hospital for Special Surgery, New York, New York.

Dr. Mattern is Orthopedic Surgeon, Westmed Medical Group, White Plains, New York, and Orthopedic Surgery Attending, White Plains Hospital, White Plains, New York and Greenwich Hospital, Greenwich, Connecticut.

Dr. Voos is Orthopedic Surgeon, Orthopaedic and Sports Medicine Clinic of Kansas City, Leawood, Kansas.

Dr. Peterson is Adjunct Senior Scientist, Hospital for Special Surgery, New York, New York.

Dr. Trost is Associate Professor of Clinical Radiology, Weill Cornell Medical College, New York, New York, and Associate Attending, New York Presbyterian Hospital, New York, New York.

Anne R. Bass, MD, Christopher J. Mattern, MD, MBA, James E. Voos, MD, Margaret G. E. Peterson, PhD, and David W. Trost, MD

Dr. Bass is Associate Professor of Clinical Medicine, Weill Cornell Medical College, New York, New York, and Associate Attending, Hospital for Special Surgery, New York, New York.

Dr. Mattern is Orthopedic Surgeon, Westmed Medical Group, White Plains, New York, and Orthopedic Surgery Attending, White Plains Hospital, White Plains, New York and Greenwich Hospital, Greenwich, Connecticut.

Dr. Voos is Orthopedic Surgeon, Orthopaedic and Sports Medicine Clinic of Kansas City, Leawood, Kansas.

Dr. Peterson is Adjunct Senior Scientist, Hospital for Special Surgery, New York, New York.

Dr. Trost is Associate Professor of Clinical Radiology, Weill Cornell Medical College, New York, New York, and Associate Attending, New York Presbyterian Hospital, New York, New York.

Anne R. Bass, MD, Christopher J. Mattern, MD, MBA, James E. Voos, MD, Margaret G. E. Peterson, PhD, and David W. Trost, MD

Dr. Bass is Associate Professor of Clinical Medicine, Weill Cornell Medical College, New York, New York, and Associate Attending, Hospital for Special Surgery, New York, New York.

Dr. Mattern is Orthopedic Surgeon, Westmed Medical Group, White Plains, New York, and Orthopedic Surgery Attending, White Plains Hospital, White Plains, New York and Greenwich Hospital, Greenwich, Connecticut.

Dr. Voos is Orthopedic Surgeon, Orthopaedic and Sports Medicine Clinic of Kansas City, Leawood, Kansas.

Dr. Peterson is Adjunct Senior Scientist, Hospital for Special Surgery, New York, New York.

Dr. Trost is Associate Professor of Clinical Radiology, Weill Cornell Medical College, New York, New York, and Associate Attending, New York Presbyterian Hospital, New York, New York.

Heejung Bang, PhD, Ya-lin Chiu, MS, Stavros G. Memtsoudis, MD, PhD, Lisa A. Mandl, MD, MPH, Alejandro González Della Valle, MD, Alvin I. Mushlin, MD, ScM, Robert G. Marx, MD, and Madhu Mazumdar, PhD

Dr. Bang is Associate Professor, and Ms. Chiu is Research Biostatistician, Division of Biostatistics and Epidemiology, Department of Public Health, Weill Cornell Medical College, New York, New York.

Dr. Memtsoudis is Associate Attending Anesthesiologist, Department of Anesthesiology, Hospital for Special Surgery, and Clinical Associate Professor of Anesthesiology, Weill Cornell Medical College, New York, New York.

Dr. Mandl is Assistant Attending Physician, Department of Rheumatology, Hospital for Special Surgery, Assistant Professor of Medicine, Weill Cornell Medical College, and Assistant Professor of Public Health, Weill Cornell Medical College, New York, New York.

Dr. Della Valle is Associate Attending Orthopaedic Surgeon, Hospital for Special Surgery, and Associate Professor of Orthopaedic Surgery, Weill Cornell Medical College, New York, New York.

Dr. Mushlin is Attending Physician, Nanette Laitman Distinguished Professor of Public Health, and Professor of Medicine, Weill Cornell Medical College, New York, New York.

Dr. Marx is Professor of Orthopedic Surgery, Hospital for Special Surgery and Weill Cornell Medical College, and Professor of Public Health, Weill Cornell Medical College, New York, New York.

Dr. Mazumdar is Professor, Division of Biostatistics and Epidemiology, Department of Public Health, Weill Cornell Medical College, New York, New York.

Heejung Bang, PhD, Ya-lin Chiu, MS, Stavros G. Memtsoudis, MD, PhD, Lisa A. Mandl, MD, MPH, Alejandro González Della Valle, MD, Alvin I. Mushlin, MD, ScM, Robert G. Marx, MD, and Madhu Mazumdar, PhD

Dr. Bang is Associate Professor, and Ms. Chiu is Research Biostatistician, Division of Biostatistics and Epidemiology, Department of Public Health, Weill Cornell Medical College, New York, New York.

Dr. Memtsoudis is Associate Attending Anesthesiologist, Department of Anesthesiology, Hospital for Special Surgery, and Clinical Associate Professor of Anesthesiology, Weill Cornell Medical College, New York, New York.

Dr. Mandl is Assistant Attending Physician, Department of Rheumatology, Hospital for Special Surgery, Assistant Professor of Medicine, Weill Cornell Medical College, and Assistant Professor of Public Health, Weill Cornell Medical College, New York, New York.

Dr. Della Valle is Associate Attending Orthopaedic Surgeon, Hospital for Special Surgery, and Associate Professor of Orthopaedic Surgery, Weill Cornell Medical College, New York, New York.

Dr. Mushlin is Attending Physician, Nanette Laitman Distinguished Professor of Public Health, and Professor of Medicine, Weill Cornell Medical College, New York, New York.

Dr. Marx is Professor of Orthopedic Surgery, Hospital for Special Surgery and Weill Cornell Medical College, and Professor of Public Health, Weill Cornell Medical College, New York, New York.

Dr. Mazumdar is Professor, Division of Biostatistics and Epidemiology, Department of Public Health, Weill Cornell Medical College, New York, New York.

Heejung Bang, PhD, Ya-lin Chiu, MS, Stavros G. Memtsoudis, MD, PhD, Lisa A. Mandl, MD, MPH, Alejandro González Della Valle, MD, Alvin I. Mushlin, MD, ScM, Robert G. Marx, MD, and Madhu Mazumdar, PhD

Dr. Bang is Associate Professor, and Ms. Chiu is Research Biostatistician, Division of Biostatistics and Epidemiology, Department of Public Health, Weill Cornell Medical College, New York, New York.

Dr. Memtsoudis is Associate Attending Anesthesiologist, Department of Anesthesiology, Hospital for Special Surgery, and Clinical Associate Professor of Anesthesiology, Weill Cornell Medical College, New York, New York.

Dr. Mandl is Assistant Attending Physician, Department of Rheumatology, Hospital for Special Surgery, Assistant Professor of Medicine, Weill Cornell Medical College, and Assistant Professor of Public Health, Weill Cornell Medical College, New York, New York.

Dr. Della Valle is Associate Attending Orthopaedic Surgeon, Hospital for Special Surgery, and Associate Professor of Orthopaedic Surgery, Weill Cornell Medical College, New York, New York.

Dr. Mushlin is Attending Physician, Nanette Laitman Distinguished Professor of Public Health, and Professor of Medicine, Weill Cornell Medical College, New York, New York.

Dr. Marx is Professor of Orthopedic Surgery, Hospital for Special Surgery and Weill Cornell Medical College, and Professor of Public Health, Weill Cornell Medical College, New York, New York.

Dr. Mazumdar is Professor, Division of Biostatistics and Epidemiology, Department of Public Health, Weill Cornell Medical College, New York, New York.

Peter C. Rhee, DO, Adam A. Sassoon, MD, Siraj A. Sayeed, MD, Michael S. Stuart, MD, and Diane L. Dahm, MD

Dr. Rhee and Dr. Sassoon are Orthopedic Surgery Residents, Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota.

Dr. Sayeed is Staff Orthopedic Surgeon, Andrews Air Force Base, Maryland.

Dr. Stuart is Professor of Orthopedics, Department of Orthopedic Surgery, Mayo Clinic; Sports Medicine Center, Mayo Clinic; and Mayo Clinic College of Medicine, Rochester, Minnesota.

Dr. Dahm is Associate Professor of Orthopedics, Department of Orthopedic Surgery, Mayo Clinic; Sports Medicine Center, Mayo Clinic; and Mayo Clinic College of Medicine, Rochester, Minnesota.

Peter C. Rhee, DO, Adam A. Sassoon, MD, Siraj A. Sayeed, MD, Michael S. Stuart, MD, and Diane L. Dahm, MD

Dr. Rhee and Dr. Sassoon are Orthopedic Surgery Residents, Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota.

Dr. Sayeed is Staff Orthopedic Surgeon, Andrews Air Force Base, Maryland.

Dr. Stuart is Professor of Orthopedics, Department of Orthopedic Surgery, Mayo Clinic; Sports Medicine Center, Mayo Clinic; and Mayo Clinic College of Medicine, Rochester, Minnesota.

Dr. Dahm is Associate Professor of Orthopedics, Department of Orthopedic Surgery, Mayo Clinic; Sports Medicine Center, Mayo Clinic; and Mayo Clinic College of Medicine, Rochester, Minnesota.

Peter C. Rhee, DO, Adam A. Sassoon, MD, Siraj A. Sayeed, MD, Michael S. Stuart, MD, and Diane L. Dahm, MD

Dr. Rhee and Dr. Sassoon are Orthopedic Surgery Residents, Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota.

Dr. Sayeed is Staff Orthopedic Surgeon, Andrews Air Force Base, Maryland.

Dr. Stuart is Professor of Orthopedics, Department of Orthopedic Surgery, Mayo Clinic; Sports Medicine Center, Mayo Clinic; and Mayo Clinic College of Medicine, Rochester, Minnesota.

Dr. Dahm is Associate Professor of Orthopedics, Department of Orthopedic Surgery, Mayo Clinic; Sports Medicine Center, Mayo Clinic; and Mayo Clinic College of Medicine, Rochester, Minnesota.

James B. Ames, MD, Jon D. Lurie, MD, MS, Ivan M. Tomek, MD, FRCSC, Weiping Zhou, MS, and Kenneth J. Koval, MD

Dr. Ames is Senior Resident, Department of Orthopedic Surgery, Dr. Lurie is Hospitalist, Division of Hospital Medicine, Dr. Tomek is Joint Surgeon, Dr. Zhou is Statistician, and Dr. Koval is Trauma Surgeon, Department of Orthopedic Surgery, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire.

James B. Ames, MD, Jon D. Lurie, MD, MS, Ivan M. Tomek, MD, FRCSC, Weiping Zhou, MS, and Kenneth J. Koval, MD

Dr. Ames is Senior Resident, Department of Orthopedic Surgery, Dr. Lurie is Hospitalist, Division of Hospital Medicine, Dr. Tomek is Joint Surgeon, Dr. Zhou is Statistician, and Dr. Koval is Trauma Surgeon, Department of Orthopedic Surgery, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire.

James B. Ames, MD, Jon D. Lurie, MD, MS, Ivan M. Tomek, MD, FRCSC, Weiping Zhou, MS, and Kenneth J. Koval, MD

Dr. Ames is Senior Resident, Department of Orthopedic Surgery, Dr. Lurie is Hospitalist, Division of Hospital Medicine, Dr. Tomek is Joint Surgeon, Dr. Zhou is Statistician, and Dr. Koval is Trauma Surgeon, Department of Orthopedic Surgery, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire.

Stavros G. Memtsoudis, MD, PhD, Yan Ma, PhD, Alejandro González Della Valle, MD, Melanie C. Besculides, MPH, DrPH, Licia K. Gaber, BA, Panagiotis Koulouvaris, MD, and Spencer S. Liu, MD

Dr. Memtsoudis is Clinical Associate Professor, Department of Anesthesiology, Dr. Ma is Assistant Professor of Biostatistics, Department of Public Health, and Dr. González Della Valle is Associate Professor, Department of Orthopedics, Hospital for Special Surgery–Weill Medical College of Cornell University, New York, New York.

Dr. Besculides is Senior Public Health Researcher, Division of Public Health, Mathematica Policy Research, Princeton, New Jersey.

Ms. Gaber is Statistical Data Analyst, LKG Consulting, Plainsboro, New Jersey.

Dr. Koulouvaris is Fellow, Department of Orthopedics, and Dr. Liu is Clinical Professor, Department of Anesthesiology, Hospital for Special Surgery–Weill Medical College of Cornell University, New York, New York.

Stavros G. Memtsoudis, MD, PhD, Yan Ma, PhD, Alejandro González Della Valle, MD, Melanie C. Besculides, MPH, DrPH, Licia K. Gaber, BA, Panagiotis Koulouvaris, MD, and Spencer S. Liu, MD

Dr. Memtsoudis is Clinical Associate Professor, Department of Anesthesiology, Dr. Ma is Assistant Professor of Biostatistics, Department of Public Health, and Dr. González Della Valle is Associate Professor, Department of Orthopedics, Hospital for Special Surgery–Weill Medical College of Cornell University, New York, New York.

Dr. Besculides is Senior Public Health Researcher, Division of Public Health, Mathematica Policy Research, Princeton, New Jersey.

Ms. Gaber is Statistical Data Analyst, LKG Consulting, Plainsboro, New Jersey.

Dr. Koulouvaris is Fellow, Department of Orthopedics, and Dr. Liu is Clinical Professor, Department of Anesthesiology, Hospital for Special Surgery–Weill Medical College of Cornell University, New York, New York.

Stavros G. Memtsoudis, MD, PhD, Yan Ma, PhD, Alejandro González Della Valle, MD, Melanie C. Besculides, MPH, DrPH, Licia K. Gaber, BA, Panagiotis Koulouvaris, MD, and Spencer S. Liu, MD

Dr. Memtsoudis is Clinical Associate Professor, Department of Anesthesiology, Dr. Ma is Assistant Professor of Biostatistics, Department of Public Health, and Dr. González Della Valle is Associate Professor, Department of Orthopedics, Hospital for Special Surgery–Weill Medical College of Cornell University, New York, New York.

Dr. Besculides is Senior Public Health Researcher, Division of Public Health, Mathematica Policy Research, Princeton, New Jersey.

Ms. Gaber is Statistical Data Analyst, LKG Consulting, Plainsboro, New Jersey.

Dr. Koulouvaris is Fellow, Department of Orthopedics, and Dr. Liu is Clinical Professor, Department of Anesthesiology, Hospital for Special Surgery–Weill Medical College of Cornell University, New York, New York.

Glenn D. Wera, MD, Robert J. Gillespie, MD, Carter Petty, MA, William J. Petersilge, MD, Matthew J. Kraay, MD, and Victor M. Goldberg, MD

Dr. Wera is Assistant Professor, and Dr. Gillespie is Resident, Department of Orthopaedic Surgery, Case Western Reserve University, Cleveland, Ohio.

Mr. Petty is Biostatistician, Massachusetts General Hospital, Boston, Massachusetts.

Dr. Petersilge is Assistant Professor, Dr. Kraay is Professor, and Dr. Goldberg is Professor, Department of Orthopaedic Surgery, Case Western Reserve University, Cleveland, Ohio.

Glenn D. Wera, MD, Robert J. Gillespie, MD, Carter Petty, MA, William J. Petersilge, MD, Matthew J. Kraay, MD, and Victor M. Goldberg, MD

Dr. Wera is Assistant Professor, and Dr. Gillespie is Resident, Department of Orthopaedic Surgery, Case Western Reserve University, Cleveland, Ohio.

Mr. Petty is Biostatistician, Massachusetts General Hospital, Boston, Massachusetts.

Dr. Petersilge is Assistant Professor, Dr. Kraay is Professor, and Dr. Goldberg is Professor, Department of Orthopaedic Surgery, Case Western Reserve University, Cleveland, Ohio.

Glenn D. Wera, MD, Robert J. Gillespie, MD, Carter Petty, MA, William J. Petersilge, MD, Matthew J. Kraay, MD, and Victor M. Goldberg, MD

Dr. Wera is Assistant Professor, and Dr. Gillespie is Resident, Department of Orthopaedic Surgery, Case Western Reserve University, Cleveland, Ohio.

Mr. Petty is Biostatistician, Massachusetts General Hospital, Boston, Massachusetts.

Dr. Petersilge is Assistant Professor, Dr. Kraay is Professor, and Dr. Goldberg is Professor, Department of Orthopaedic Surgery, Case Western Reserve University, Cleveland, Ohio.