Table 1: Demographics and Peri-operative measures.

N=17
Age (years), mean (±SD)	58 (± 13.6), range 36-85
Female sex	13 (77%)
Prior lumbar spinal fusion	8 (47%)
Side treated	Right:                       53% (9)Left:                         41% (7)Bilateral:                    6% (1)
Operating time (minutes), mean (±SD)	65 (SD 18), range 43-110
Implants placed	54