From the *Department of Orthopaedics, Dartmouth Medical School, Hanover, NH; †The Dartmouth Institute for Health Policy and Clinical Practice, Lebanon, NH; ‡Dartmouth-Hitchcock Medical Center, Lebanon, NH; §Department of Orthopaedic Surgery, William H. Beaumont Hospital, Royal Oak, MI; ¶Hospital for Joint Diseases, New York, NY; ∥Department of Orthopaedic Surgery, Rothman Institute at Thomas Jefferson University, Philadelphia, PA; **Emory Spine Center, Emory University, Atlanta, GA; ††Kaiser-Permanente, San Francisco, CA; ‡‡Department of Orthopaedic Surgery, University of California, San Francisco, CA; and §§Rush-Presbyterian-St. Luke's Medical Center, Chicago, IL.
Acknowledgment date: June 26, 2009. First revision date: September 25, 2009. Acceptance date: January 11, 2010.
The manuscript submitted does not contain information about medical device(s)/drug(s).
Federal funds were received in support of this work. No benefits in any form have been or will be received from a commercial party related directly or indirectly to the subject of this manuscript.
Spine Patient Outcomes Research Trial (SPORT): Spinal Stenosis; #NCT00000411; available at: http://www.clinicaltrials.gov/.
Supported by The National Institute of Arthritis and Musculoskeletal and Skin Diseases (U01-AR45444) and the Office of Research on Women's Health, the National Institutes of Health, and the National Institute of Occupational Safety and Health, the Centers for Disease Control and Prevention.
Address correspondence and reprint requests to James N. Weinstein, DO, MS, Department of Orthopaedics, The Dartmouth Institute for Health Policy & Clinical Practice, Dartmouth Medical School, One Medical Center Dr. Lebanon, NH 03756; E-mail: SPORT@dartmouth.edu