Operative characteristics | Frequency | Percentage |
Radiographic subsidence | 1/60 | 1.7% |
Subsidence per implant level | 1/89 | 1.1% |
Subsidence grade per implant level Grade 0 Grade I Grade II Grade III |
88 0 1 0 |
98.9% 0% 1.1% 0% |
Number of cages 1 2 3 4 |
38 17 3 2 |
63.3% 28.3% 5% 3.3% |
Spinal levels L1/L2 L2/L3 L3/L4 L4/L5 |
9 13 31 36 |
10.2% 14.6% 34.8% 40.4% |
Supplemental fixation per patient Pedicle screws Lateral plate |
57 3 |
95% 5% |