Table 2. MIS-DLIF surgery levels.
| Level | # |
| T12-L1 | 1 |
| L1-L2 | 0 |
| L2-L3 | 2 |
| L3-L4 | 3 |
| L4-L5 | 6 |
| L5-S1 | 3 |
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