Characteristics of Patients Undergoing Percutaneous Transforaminal Lumbar Interbody Fusion (PTLIF)
| Data | Non-expandable PEEK interbody implant | Expandable titanium interbody implant (n = 20) | Total patients (n = 30) | |
|---|---|---|---|---|
| Primary surgery (group A) (n = 10) | Primary surgery (group B) (n = 10) | Revision surgery (group C) (n = 10) | ||
| Sex | ||||
| Males | 4 | 3 | 5 | 12 |
| Females | 6 | 7 | 5 | 18 |
| Age, years, mean (SD) | 61.4 (17.4) | 59.9 (17.5) | 65.5 (12.9) | 62.2 (15.9) |
| Total disks | 10 | 11 | 10 | 31 |
| Single level | 10 | 10 | 10 | 30 |
| Double level | 0 | 1 | 0 | 1 |
| L2-L3 | 0 | 1 | 1 | 2 |
| L3-L4 | 2 | 0 | 1 | 3 |
| L4-L5 | 6 | 6 | 5 | 17 |
| L5-S1 | 2 | 4 | 3 | 9 |
| Spinal diseases | ||||
| DDD | 6 | 3 | 0 | 9 |
| Spondylolisthesis | 4 | 6 | 2 | 12 |
| Failed arthrodesis | 0 | 0 | 6 | 6 |
| Instability after decompression | 0 | 0 | 2 | 2 |
| Chondroma | 0 | 1 | 0 | 1 |