Table 1 Characteristics of the patients
Item | MIS-TLIF |
|---|---|
Number of patients | n = 718 |
Mean age (y) | 56.3 ± 13.7 (24–81) |
Gender (M/F) | 386/332 |
Diagnoses (n) | – |
Degenerative spondylolisthesis | 270 |
Isthmic spondylolisthesis | 198 |
Lumbar instability | 67 |
Lumbar spinal stenosis | 183 |
Fusion segments (n) | – |
One-level | 634 |
Two-level | 84 |
Average segments | 1.1 ± 0.3 |
Follow-up period (mo.) | 34.3 ± 14.7 (24–106) |