Clinical Study
Clinical Outcome and Fusion Rates after the First 30 Extreme Lateral Interbody Fusions
Table 1
Listing of patient demographic and treatment information.
| Characteristic | Statistic |
| Mean age in years (stdev) (range) | 62.7 (10.5) (30–81) | Female (%) | 20 (66.7) | Mean body mass index (BMI), (stdev) (range) | 26.7 (5.4) (17.6–37.9) | Comorbidities | | Comorbidity type | | Tobacco use (%) | 6 (20) | Diabetes (%) | 4 (13) | Any prior lumbar spine surgery (%) | 6 (20) | Lami/MLD (%) | 4 (67) | Fusion (%) | 2 (33) | Primary diagnosis | (1 missing) | Degenerative disc disease (%) | 12 (41) | Herniated nucleus pulposus (%) | 1 (3) | Spondylolisthesis (%) | 9 (31) | Scoliosis (%) | 7 (24) | Levels treated (mean per patient) (range) | 43 (1.4) (1–3) | T6-7 (% of levels) (% of patients) | 1 (2) (3) | L1-L2 (% of levels) (% of patients) | 1 (2) (3) | L2-L3 (% of levels) (% of patients) | 6 (14) (20) | L3-L4 (% of levels) (% of patients) | 17 (40) (57) | L4-L5 (% of levels) (% of patients) | 17 (40) (57) | Biologics used | | rhBMP-2 (%) | 30 (100) | Fixation type (%) | | Interspinous plating (%) | 2 (7) | Transpedicular fixation (%) | 13 (40) | Unilateral (%) | 2 (15) | Bilateral (%) | 11 (85) | Standalone (%) | 15 (50) | Staged fixation? | | Yes (%) | 14 (47) | No (%) | 16 (53) |
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: number of patients; stdev: standard deviation; Lami: laminectomy; MLD: microlumbar discectomy.
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