Table I.
Summary of 5 patients who underwent the MIDLF procedure
| Patient number | Gender | Age | Symptom duration | Prior surgery (number) | Main complaint | Sciatica | Strait leg raising test | LBP | Leg paresis | Claudi-cation | Surgery level | Interbody device |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | M | 54 | 40 | 1 | Sciatica | Yes | 30° | Yes | Yes | No | L4–L5 | PLIF |
| 2 | M | 47 | 12 | 0 | Sciatica | Yes | 30° | Yes | No | No | L5–S1 | PLIF |
| 3 | M | 62 | 24 | 0 | Claudication | Yes | 45° | Yes | No | Yes | L4–L5 | PLIF |
| 4 | F | 49 | 6 | 1 | Sciatica | Yes | Absent | Yes | Yes | No | L5–S1 | PLIF |
| 5 | M | 36 | 12 | 3 | Sciatica | Yes | 60° | Yes | Yes | No | L4–L5 | PLIF |
| Patient number | Duration of the operation [h] | Length of hospital stay [days] | Follow-up duration [months] | VAS leg before surgery | VAS leg 3 months follow-up | VAS leg diff. | VAS back before surgery | VAS back 3 months follow-up | VAS back diff. | ODI before surgery | ODI 3 months follow-up | ODI diff. |
| 1 | 3.6 | 6 | 7 | 10 | 1 | 9 | 9 | 1 | 8 | 82 | 36 | 46 |
| 2 | 3.5 | 5 | 6 | 8 | 2 | 6 | 7 | 2 | 5 | 60 | 32 | 28 |
| 3 | 4.5 | 9 | 6 | 1 | 0 | 1 | 7 | 3 | 4 | 46 | 12 | 34 |
| 4 | 4 | 6 | 7 | 9 | 1 | 8 | 8 | 3 | 5 | 58 | 30 | 28 |
| 5 | 3.5 | 5 | 7 | 5 | 5 | 0 | 2 | 8 | –6 | 16 | 56 | –40 |