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Patient characteristics
| Characteristic | Value |
|---|---|
| Age (yr) | 74.4±7.6 |
| Height (m) | 1.48±0.06 |
| Weight (kg) | 50.8±8.2 |
| Body mass index (kg/m2) | 23.3±3.3 |
| Diagnosis | |
| Single-level stenosis | 17 |
| Double-level stenosis | 10 |
| Foraminal stenosis | 7 |
| Level of stenosis | |
| L3/4 | 11 |
| L4/5 | 28 |
| L5/S1 | 7 |
| Surgery | |
| Laminectomy | |
| One level | 17 |
| Two levels | 10 |
| Transforaminal lumbar interbody fusion | |
| One level | 5 |
| Two levels | 1 |
| Oblique lateral interbody fusion (one level) | 1 |
Values are presented as mean±standard deviation or number.
