rm results of microendoscopic posterior decompression for lumbar spinal stenosis. Technical note. 1. Neurosurg. Spine 2.624-633 (2005). 84. Katz. J. N. et al. Predictors of surgical outcome in degenerative lumbar spinal stenosis. Spine 21.2229-2233 (1999). 85. Mackay. D. C. & Wheelwright. E. F. Unilater