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Spondylolisthesis information [S TLIF = standard transforaminal lumbar interbody fusion; MI TLIF = minimally invasive transforaminal lumbar interbody fusion; Degen = degenerative].
| S TLIF | MI TLIF | |
|---|---|---|
| Level | ||
| L3-4 | 2 (5%) | 2 (5%) |
| L4-5 | 14 (35%) | 15 (37.5%) |
| L5-S1 | 24 (60%) | 23 (57.5%) |
| Type | ||
| Degen | 28 (70%) | 26 (65%) |
| Isthmic | 12 (30%) | 14 (35%) |
| Grade | ||
| 1 | 20 (50%) | 19 (47.5%) |
| 2 | 20 (50%) | 21 (52.5%) |
