Research Article
Analysis of Risk Factors for Adjacent Segment Degeneration after Minimally Invasive Transforaminal Interbody Fusion at Lumbosacral Spine
Table 1
Demonstrative information of the patient cohort.
| | Overall | Control cohort | ASD cohort | P Value |
| No. of patients | 157 | 141 | 16 | | Age (years), mean ± SD | 62.3 ± 7.0 | 62.0 ± 6.9 | 65.1 ± 7.7 | 0.098 | Sex (male/female) | 62/95 | 57/84 | 5/11 | 0.477 | BMI (kg/m2), mean ± SD | 24.4 ± 2.3 | 24.5 ± 2.3 | 23.6 ± 1.4 | 0.150 | Smoking, n (%) | 26 (16.6) | 24 (17.0) | 2 (12.5) | 0.645 | Diabetes mellitus, n (%) | 29 (18.4) | 26 (18.4) | 3 (18.8) | 0.976 | Osteoporosis, n (%) | 45 (28.7) | 41 (29.1) | 4 (25.0) | 0.732 | Diagnosis, n (%) | | | | 0.884 | LDH | 76 (48.4) | 68 (48.2) | 8 (50.0) | | LSS | 47 (29.9) | 43 (30.5) | 4 (25.0) | | DS or SO | 34 (21.7) | 30 (21.3) | 4 (25.0) | | Laminectomy, n (%) | 109 (69.4%) | 98 (69.5) | 11 (68.8) | 0.951 | Cement augmentation, n (%) | 17 (10.8) | 14 (9.9) | 3 (18.8) | 0.282 |
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SD: standard deviation, BMI: body mass index, ASD: adjacent segment degeneration, LDH: lumbar disc herniation, LSS: lumbar spinal stenosis, DS: degenerative spondylolisthesis, OS: isthmic spondylolisthesis.
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