Symposium - The Outcomes Movement in Orthopaedic Surgery: Where We Are and Where We Should Go by MARC F. SWIONTKOWSKI, JOSEPH A. BUCKWALTER, ROBERT B. KELLER, and ROBERT HARALSON J Bone Joint Surg Am Volume 81(5): May 1, 1999 ©1999 by The Journal of Bone and Joint Surgery, Inc.
Fig. 1 The operative rates for three spine-service areas in Maine, expressed as observed-to- expected ratios. MARC F. SWIONTKOWSKI et al. J Bone Joint Surg Am 1999;81: ©1999 by The Journal of Bone and Joint Surgery, Inc.
Fig. 2 Improvement in four factors for each of the spine service areas. MARC F. SWIONTKOWSKI et al. J Bone Joint Surg Am 1999;81: ©1999 by The Journal of Bone and Joint Surgery, Inc.
Fig. 3 The number of lumbar arthrodeses in the four quarters of MARC F. SWIONTKOWSKI et al. J Bone Joint Surg Am 1999;81: ©1999 by The Journal of Bone and Joint Surgery, Inc.