Relationship Between Rates and Outcomes of Operative Treatment for Lumbar Disc Herniation and Spinal...

Post on 03-Jan-2016

216 views 4 download

Transcript of Relationship Between Rates and Outcomes of Operative Treatment for Lumbar Disc Herniation and Spinal...

Relationship Between Rates and Outcomes of Operative Treatment for Lumbar Disc Herniation and Spinal Stenosis

by ROBERT B. KELLER, STEVEN J. ATLAS, DAVID N. SOULE, DANIEL E. SINGER, and RICHARD A. DEYO

J Bone Joint Surg AmVolume 81(6):752-62

June 1, 1999

©1999 by The Journal of Bone and Joint Surgery, Inc.

Fig. 1.

ROBERT B. KELLER et al. J Bone Joint Surg Am 1999;81:752-62

©1999 by The Journal of Bone and Joint Surgery, Inc.

Fig. 2 The operative rates for three spine service areas in Maine are expressed as observed-to-expected ratios.

ROBERT B. KELLER et al. J Bone Joint Surg Am 1999;81:752-62

©1999 by The Journal of Bone and Joint Surgery, Inc.