| Open surgical fusion | Minimally invasive fusion | P-value |
---|---|---|---|
N | 149 | 114 | - |
Age, mean (SD) | 45.8 (11.3) | 57.4 (14.0) | <.0001 |
Female, n (%) | 103 (69.1%) | 82 (71.9%) | 0.6220 |
Prior lumbar spine surgery, n (%) | 35 (23.5%) | 54 (47.4%) | <.0001 |
Side treated | Â | Â | Â |
   Left | 74 (49.7%) | 41 (36.0%) | 0.0120 |
   Right | 71 (47.7%) | 62 (54.4%) |  |
   Both | 4 (2.7%) | 11 (9.6%) |  |